How does the sum of the currents through the branches of a simple parallel circuit compare with the current that flows through the voltage source?

Q: Choose the BEST answer to the following: As more lamps are connected in parallel in a circuit, the…

A: For the lamps connected in parallel, the voltage across each of the lamps is same whereas the…

Q: Why does the filament of a lightbulb glow while the connecting wires do not?

A: The filament of a bulb is made of a metal with quite high resistance high melting point like…

Q: Name the parts of the circuit represented by number from the choice given below the circuit:

A:

Q: Between current and voltage , which remains the same for a 10 ohm and a 20 ohm resistor in parallel…

A: Voltage is constant in parallel combination in the circuit.

Q: Consider the three parts of the circuit: A, the top branch with two bulbs; B, the middle branch with…

A: Consider that the bulbs are identical, and they have a resistance R. The series combination of bulb…

Q: What is the effect on the current in a wire if both the voltage across it and its resistance are…

A: Write the expression for current

Q: What is the Power (Watts) dissipated in a 25 Ohm circuit if it has 3.0 Amps of current?

A: SOlution: Given that current I =3 Amps Resistance r = 25 Ohm the power dissipates

Q: Between current and voltage, which remains the same for a 10-Ω and a 20-Ω resistor in series in a…

A: Given:  Two resistances one is 10 ohm and 20 ohm.

Q: What is a circuit?

A: Answer : Correct option is (IV) A pathway that electrons flows in .It has a resistor , wire and a…

Q: In your own words, state the relationship between resistance and current in a circuit.

A: The relationship between current and resistance is expressed by Ohm's Law. This states that the…

Q: How electricity flow in a circuit?

A:

Q: Choose the BEST answer to the following: If the current in the filament of a lamp is 3 A, the…

A: Answer: Bi,e 3A

Q: What is the difference in how current is distributed in a series circuit to the distribution of…

A:

Q: What happens when you unplug one bulb from a parallel circuit of 3 bulbs?

A:

Q: Your friend says that the equivalent (combined) resistance of resistors connected in series is…

A: When resistors are connected in series, current through them remains same. total voltage = sum of…

Q: In a circuit of two lamps in series, if the current through one lamp is 1 A, what is the current…

A: Given:  Two lamps in series

Q: Calculate the power of a hair dryer that operates on 120 V and draws a current of 10 A.

A:

Q: hat happens to the current in a circuit when the resistance increases? What happens to the current…

A: The Ohm’s law states that the potential difference in a circuit is directly proportional to the…

Q: What is the error in saying the source of electrons in a circuit is the battery or generator?

A: A continuous potential difference is needed for the flow of electric charges. The battery or…

Q: How are voltmeters connected in a circuit?

A: Voltmeter is used to measure voltage across a electrical device. In order to measure the voltage,…

Q: Between current and voltage, which remains the same for a 10-Ω and a 20-Ω resistor in parallel in a…

A:

Q: Does adding resistors in parallel increase or decrease the overall resistance of a circuit?

A:

Q: Determine the current in each of the branches of the circuit shown in the figure.

A: Let the current flowing through both the loops in anticlockwise direction be i1 and i2 in left and…

Q: Your friend says that the equivalent (combined) resistance of resistors connected in series is…

A: Given:  Resistances in series

Q: A toaster has a heating element of 15 Ω and is connected to a 120-V outlet. Show that the current…

A: Given:  Resistance, R = 15 ohm  Voltage, V = 120 V

Q: Which will do less damage—plugging a 110-V hairdryer into a 220-V circuit or a 220-V hairdryer into…

A: Write the expression for the power delivered to an element of a circuit.

Q: current flowing through this circuit?

A:

Q: Does charge flow through a circuit or into a circuit? Does voltage flow through a circuit, or is…

A: Charge flows through a circuit because of electric field produced by potential difference. Charges…

Q: How are voltage, current, and resistance related to electric power?

A: The rate of electrical energy dissipated is called electrical power.  Power = Energy time

Q: is the flow of electric charge through a circuit. is the build-up of electric charge. is the amount…

A: Here talking about the electric charges. We have to filled up the blanks.

Q: What does an electric circuit mean?

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Q: How does the charge of one electron compare to that of another electron?

A:

Q: How does electricity affect our lives?

A: Electricity affects our lives in many ways describe below;

Q: What is the difference between an open loop circuit and a closed loop circuit?

A: In an open loop circuit there is no existence of current while in a closed loop circuit there is…

Q: What is the relationship between the voltage and the current when the resistance is kept constant?

A: According to Ohm’s rule, write the relation among voltage, current, and resistance. Here, V…

Q: Should the voltmeter be connected in series or parallel with lamp in order to measure the voltage?…

A: The voltmeter should be connected in parallel in order to measure the voltage. A voltmeter is…

Q: Why does changing the resistivity of wires affects the current of a circuit

A: Resistance is given by, R=ρLA

Q: An electrical circuit refers to the combination of various electrical components that are connected…

A: True

Q: An electric iron connected to a 110-V source draws 9 A of current. Show that the amount of heat it…

A:

Q: A node in a circuit is the place where circuit elements are connected together

A: True, Nodes of Electric CircuitThe point through which an circuit element is connected to the…