Which of these are TRUE: 1. Current is both scalar and vector quantity 2. The way we add current is the same process as we add vectors 3. Glass has higher resistivity than rubber 4. Insulators have higher resistivity than metals 5.The amount of current all throughout a circuit is just the same

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Q: A piece of a conductive square-shaped material with a side length of 3 cm and placed in an electric…

A: Given,Side length is L = 3 cmElectric field is E = 3 v/mcurrent density is J = 3 A/m2Let R be the…

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A: Given Data: The potential difference is: V=1.5 V The current in the circuit is: I=0.20 A The time…

Q: p4

A: Given- Power of electrical motor P=2.70 hp=2.70×746=2014.2 W Voltage V=120 V Efficiency η=85%=0.85…

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Q: a) the current density is • A. doubled • B. halved • C. unchanged b) the conduction-electron density…

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Q: A 0.50 [mm] diameter silver wire carries a 20 [mA] current. What is the electric field in the wire?…

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Q: A simple circuit is constructed such that 307.7 Volts is measured across a 1,469.1 Ohms resistor.…

A: Given data:  Voltage (V) = 307.7 V Resistance (R) = 1469.1 Ω Required: Current (I)

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Q: d) 1.6 x When 900 C of charge passes through a wire in 10 minute, the current in the wire is a) 2.5…

A: 2) Given, the total charge is, Q=900C time, t=10minutes = 600s   Electric current: The total charge…

Q: 1. News articles often contain statements such as the following: “10,000 volts of electricity passed…

A: Dear student, as there are three different questions therefore I am answering the first one only.…

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Q: A high voltage transmission line of diameter 3.73 cm and length 3.76189 km carries a steady current…

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Q: An electric heater with a current of 6.0 A is connected to a 120 V source for 10 minutes.  a) How…

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Q: 9. The acceleration of an object is inversely proportional to the net force acting on it. True /…

A: statement is false

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Q: 1. What is the overall current of the circuit? 2. If you add the current of R4 and R5, does it equal…

A: Kirchhoff's Junction rule states that the sum of the incoming currents is equal to the sum of the…

Q: 3) A 100 meters long wire with diameter 2 millimeter is attached to a 6 Volts battery. You measured…

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A: according ohm's law- ohm's law states relationship between electric current and voltage difference…

Q: 1.) a 6 volt battery is connected to a 0.3 m wire with a diameter of 1.Omm has a current of 5.…

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Q: 1. Determine the currents in the various branches of the electrical network. The units of current…

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Q: In the circuit given in the figure, take 4= E2 = ɛz = E = R2 = R3 = R ve

A: Given: and R2=R3=R

Q: 5. A 220V 600-watt electric coffee maker is used to make a total of 12 cups of coffee in 45 minutes.…

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Q: d) 6.25 x 10 2. If 6 x 1017 electrons cross through an area per minute the electric current is b)…

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Q: 3. In The circuit given in Figure 3, the current passed through the resistance 1 is ij=2A and the…

A: Given: Six resistance arrangement. Current I = 2 A. To determine: Equivalent resistance and emf of…

Q: = 12 V, 0.5 N are connected series-opposing. An batteries, &1 = 6 V, 0.25 N, and ɛ2 external…

A: Given: The connection of the batteries is in series with opposite polarities. ε1=6 V, r1=0.25 Ωε2=12…

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Q: The two 10-cm-long parallel wires in the figure below are separated by 5.0 mm. For what value of the…

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Q: a potneital difference is apllied across a conducting wire. The electrons in the wire will move with…

A: Potential difference is defined as the work done to move a unit charge from one point to the other.…

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Q: A meter measures a current of 9.33x10^14 electrons flowing past a point each second. Express this in…

A: Let the number of electrons is denoted by n, the charge is denoted by q, and the time taken is…

Q: A charge of Q = 4.2 C passes through a wire every t = 5.5 s. Question A) Input an expression…

A: Given data: Charge (Q) = 4.2 C Time (t) = 5.5 s Required: Current (I)

Q: A simple circuit contains a 12 V battery and a light bulb with a resistance of 40 2. What is the…

A: Q17. Given Data: The volatge of the battery is: V=12 V The resistance of the light bulb is: R=40 Ω

Q: [Q9] A 60 watt light bulb carries a current of 0.5 amperes. What is the total charge passing through…

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Q: A certain brand of hotdog cooker works by applying a potential difference of 154 V across opposite…

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Q: Suppose a I = 0.57 A current flows through a mystery box; the current flows from a potential V = 0V…

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Bar Magnet

In physics, magnetism is a phenomenon exhibited by a magnetic substance that exerts either attractive or repulsive force. A bar magnet is either a rectangular or round and hollow fit comprised of ferromagnetic materials and has a fanciful attractive field surrounded by it.