what is the mathematical relationship between Current and Resistance?
Q: 2. What is the significance of negative values of voltages and current?
A: Significance of negative values of voltage and current
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A: According to the question, Explain Kelvin's double bridge method of measurement of resistances. What…
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A: What is resistances in a material? Obstacle to the flow of electron in a material is called the…
Q: Equivalent resistance ?
A:
Q: How are the Resistance Factors determined?
A: The resistance of the materials depends upon many factors like type of the materials used, width…
Q: Total equivalent resistance ?
A: Given circuit,
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A: Resistivity is basically a factor that helps in determining the characteristic property of any…
Q: What is the effect of cross section on resistance?
A: Resistance :- It is the opposition offered by the elements to flow of current. Mathematical written…
Q: What are the factors that affect the value of electrical resistance?
A:
Q: What is the difference between resistivity and electrical resistance?
A: Electrical resistance - It is defined as the property of conductor which opposes the flow of…
Q: What is resistivity of a material
A: In this question we discuss what is resistivity of a material ?
Q: What is a ammeter? How should we connect it to the circuit? Why?
A: Given What is ammeter ? How should we connect in the circuit? Why?
Q: Discuss how impressed current can prevent the corrision of metals.
A:
Q: Discuss how electric circuits can be understood in relation to water flowing in pipes.
A: The electric circuit can be understood in relation to water flowing in pipes: The pump drives the…
Q: what is the causes of voltage drop
A: Voltage Drop: Causes Increased resistance in a circuit, which is usually generated by an increased…
Q: do you think it is important for us to study the relationship among current voltage and resistance?
A: why do you think it is important for us to study the relationship among current voltage and…
Q: Explain the law of resistance. Explain the effects of temperature on resistance
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Q: Explain the loading effect on voltmeters and ammeters in detail.
A: to explain the loading effect on voltmeters and ammeters in detail
Q: 31. What is the difference between electrical con- ductivity and resistivity?
A: we need to find the difference between electrical conductivity and resistivity.
Q: What is the difference between Current and Voltage?
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Q: Total resistance?
A:
Q: What does a compatible charge mean? What if the load is not compatible?
A: to explain the compatible charge
Q: Why do you think longer wires have more resistance?
A:
Q: Compare the flow of current through a wire in the de and ac cases. Compare the corresponding dc and…
A: The explanation is as follows.
Q: What is the effects of Electric Current on Human Body?
A: according to the question we have to explain the electric current on the human body.
Q: Trivia about electricity and how electricity help us in daily lives
A: Electricity- Electricity can be defined as the flow of charge (electrons flow) in a conductor. As…
Q: what is the standard SI unit for resistivity
A:
Q: 1. Conductivity readings are often referenced to a specific temperature typically for comparative…
A: We are authorized to answer three subparts at a time since you have not mentioned which part you are…
Q: Draw a simple circuit, label the parts and write brief explanations on how these parts work in a…
A:
Q: (i) State the value of the current for which the resistance of X is the same as the resistance of Y…
A:
Q: B. Define ( resistance, reactance, impedance.
A: Resistance- It is the process by which flow of current is being opposed by an electric circuit. It…
Q: What is the definition of electrical resistance?
A: In this question we will define electrical resistance....
Q: how does heat affect the resistance of most metals and their alloys?
A: resistance is a property which opposes the change in the current
Q: Is there a linear relationship between current and voltage?
A: Given Is there a linear relationship between current and voltage.
Q: How you should be thinking about electric circuits? Explain the flow and give an example different…
A: ELECTRIC CIRCUITS: An electric circuit is a shut way where electrons move to create electric flows.…
Q: How many types of glide resistors? With an explanation of the function of each one
A: The Club Car V-Glide is a discrete multi-step potentiometer. There are various configurations of…
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A: Ohmic resistor: A device is “Ohmic” when the relationship between current and voltage is linear.…
Q: Is there a linear relationship between current and voltage?
A: Yes According to the ohm's law the voltage across a conductor is directly proportional to the…
Q: 2. Describe what a zero-voltage drop could be.
A: Zero- Voltage Drop : When reaches the negative terminal of a battery, the voltage in any circuit is…
Q: What is the definition of resistivity??
A:
Q: What are the methods of measuring high voltage AC and explain common method used for measuring extra…
A: Traditional technologies such as series impedance voltmeters, potential dividers, potential…
Q: Explain ne breakdown liquid Discuss the different methods of measuring high dc voltages. What are…
A:
Q: how is resistance related to physical parameters
A: Resistance can be described as the property of circuit element which offer the opposition to the…
Q: Why do you think thicker wire have less resistance?
A: yes the statement is correct , Thicker the wire resistance will be less because resistance is…
what is the mathematical relationship between Current and Resistance?
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- Please determine equivalent resistance and currentsWhat is the definition of electrical resistance? What is an “ohmic” resistance? Are all resistance ohmic in nature?For the figure attached, a. what is the relations hip between voltage and current? b. does the temperature have any affects on the relationship between voltage and current? if yes, how will the resistance be affected?
- Problem A potentiometer is an instrument for measuring an unknown voltage in comparison to a standard voltage. In the potentiometer shown in Figure 1.0 a 16.0-m stretch of wire AB is connected to a 9.00-V battery. The resistance per unit length of the wire is 16.0 0/mm. The movable contact P is at point B. An ammeter (circle with A inside) is connected to point A. 16.0 m A B www Figure: 1.0 A V = 9.00 VExpress your idea of free currents and bound currents.Are they linked? (Book:grifith electrodynamics)how is resistance related to physical parameters
- What is the relationship of voltage,current and resistance? Explain.In the figure the ideal batteries have emfs ɛ1 = 20.4 V, ɛ2 = 9.05 V, and ɛ3 = 5.40 V, and the resistances are each 2.40 Q. What are the (a) size and (b) direction (left or right) of current i,? (c) Does battery 1 supply or absorb energy, and (d) what is its power? (e) Does battery 2 supply or absorb energy, and (f) what is its power? (g) Does battery 3 supply or absorb energy, and (h) what is its power? (a) Number i Units (b) (c) (d) Number i Units (e) (f) Number i Units (g) (h) Number i UnitsDuring the Wheatstone Bridge experiment, when the pointer is at the balance point then: O a. The potential difference across the unknown resistance is equal to the potential difference between the end of the wire connected to the known resistance.the balance point. O b. The potential difference across the known resistance is equal to the potential difference between the balance point and the point of contact between the known andunknown resistances. O c. The potential difference across the unknown resistance is equal to the potential difference across known resistance. O d. The potential difference across the unknown resistance is equal to the potential difference between the balance point and the end of the wire connected to the unknown resistance. O e. The potential difference across the unknown resistance is equal to the potential difference between the balance point and the end of the wire connected to the known resistance. Clear my choice
- A linear resistance potentiometer is 50 mm long and is uniformly wound with wire having a resistance of 10000 ohm. Under normal conditions, the slider is at the centre of the potentiometer. Find the linear displacement when the resistance of the potentiometer as measured by a Wheatstone bridge for two cases is (1) 3520 ohm (2) 8250 ohm .Mid-term exam Principles of Electricity (cont'd) 11. According to Ohm's Law, electron flow is proportional to electrical pressure. a. Inversely b. Indirectly c. Directly d. Not 12. What equation represents the characteristics of electron flow in a parallel circuit? a. E=IxR b. ET=E1=E2=E3... c. IT=l1+l2+l3... d. ET=E1+E2+E3... 13. What equation represents the characteristics of electrical pressure in a parallel circuit? a. E=IxR b. ET=E1=E2=E3... c. IT=l1+l2+l3... d. ET=E1+E2+E3.. 14. How much electrical pressure would be required to produce 25A current in a circuit with 19.20 total resistance? a. 480A b. 480V C. 1.3V d. 0.768V 15. As resistors are removed from a series circuit, what will happen to the current? a. The current will increase b. The current will decrease c. The current will stay the same d. There is not enough information givenA wire of 59 in length and 4 mm2 has a resistance of 0.94 ohms. A 110-m length of wire of the same material has a resistance of 3 at the same temperature. Find the radius of this wire. The final unit must be in millimeter, mm.