Draw direction of current, assuming electrons flow.

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

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Q: A rechargeable nickel-metal hydride AA battery has a charge capacity of 9000 C. How long can it…

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Q: How many electrons, measured in coulombs, result from a current of 15 A for 24 h?

A: To calculate the total charge (in coulombs) resulting from a current of 15 amperes (A) flowing for…

Q: Exress each labelled voltage and current (e.g.,vx,ix) in terms of the resistances and source…

A: According to the diagram provided in the question, current is flowing through a resistor from a…

Q: The charge flowing in a wire is plotted in Fig.1. Sketch the correspondim current. q (C)A 50 4 -50

A: The rate of flow of electric charge is called electric current. Mathematically, it can be given by :…

Q: 0.75C of electrons pass through a point in 1.7 minutes.

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Q: The capacity of a 9-V rechargeable battery is 625 mA h. What is the battery’s charge capacity in…

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Q: A calculator draws a current of 0.0009 A for 6 min. How much charge flows through it?

A: Current(I)=Charge(Q)Time(t)∴Charge(Q)=I×t=0.0009A×6min=0.0009A×360s=0.324C The charge that flows is…

Q: The current through a wire varies with time as 1=1 +at here 1, 20 A and a=2 A/s. Find the charge…

A: Write the given values to the suitable variables.Here, I is the time and t is the time.

Q: What is the current that passes through a wire if 24 Coulombs passes a point in 6 seconds?

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Q: Component R Total V for Circuit R, 1 120V 1.25 R3 1.5 R. 2.25 R. 2.5 R, R, 3.25 R, 3.5 R10 4 R1 4.5…

A: According to ohm's law,  Voltage(V) = Current(I) × Resistance(R)                   I = V/ R

Q: What must be the length of this wire? What must be the diameter of this wire?

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Q: How long does it take for 6 Coulombs of charge to move through wire if the current is 3 Amps?

A: We know that when charge q flows through the wire in time t current I is given by I=q/t

Q: 4.Draw the direction of Force, field, current. (Flemings left hand rule): Remember currents flow…

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Q: 64 C flow along a wire in 4.0 s, what is the average current in the wire?

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