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What happens when a steady potential difference is applied across the ends of a conducting wire?
(a) All electrons move with a constant velocity.
(b) All electrons move with a constant acceleration.
(c) The random electronic motion will, on the average, be equivalent to a constant velocity of each electron.
(d) The random electronic motion will, on the average, be equivalent to a nonzero constant acceleration of each electron.
Which is not an example of convection current?
(a) A moving charged belt
(b) Electronic movement in a vacuum tube
(c) An electron beam in a television tube
(d) Electric current flowing in a copper wire
A 2uF capacitor is charged to 8V. It is then connected to a 12V supply and given additional charge
through a 1OMohms resistor. How long will it take to reach a voltage of 10V?
Charges +2uc and +3uc lies on the x-y płane at positions (0,0)and (16,0) cm-respectively.
Compute the electric field at point (8, 6) cm.
netic circuit term. Which pairs are not corresponding?
(a) V and
(b) G and
(c) and m
(d) IR and H
Figure 8.33 is
(a) Outward along OP
(b) Inward along OP
(c) In the direction of the magnetic field
(d) Tangential to the loop at P
Figure 8.33 is
(a) Outward along OP
(b) Inward along OP
(c) In the direction of the magnetic field
(d) Tangential to the loop at P
A has a postive charge of 3.0x10^-6 c object b has a postive charge of 9.0 x 10^-6 c . If the distance between a and b is 0.015m what is the force
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