A steady current flows in a metallic conductor of non-uniform cro… - Vidyadip

Question

A steady current flows in a metallic conductor of non-uniform cross-section. The quantity/ quantities constant along the length of the conductor is/are(a) Current, electric field and drift speed(b) Drift speed only(c) Current and drift speed(d) Current only

✓

Answer

(d) Current only

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Current Electricity→Current Electricity — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

A potential barrier of $0.50 V$ exists across a $P-N$ junction. If the depletion region is $5.0 \times 10^{-7} m$ wide, the intensity of the electric field in this region is

The figures represent three cases of a ray passing through a prism of angle $A.$ The case corresponding to minimum deviation is

Three light bulbs of 40 W, 60 W and 100 W are connected in series with 220 V source. Which one of the bulbs will glow brightest(a) 40 W(b) 60 W(c) 100 W(d) All with the same brightness

Assertion : The television broadcasting becomes weaker with increasing distance.
Reason : The power transmitted from TV transmitter varies inversely as the distance of the receiver(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.(c) If assertion is true but reason is false.(d) If the assertion and reason both are false.

What is the force exerted by a stationary charge when it is placed in a magnetic field?

The wires 1 and 2

As the frequency of an ac circuit increases, the current first increases and then decreases. What combination of circuit elements is most likely to comprise the circuit?

The e.m.f. of a standard cell balances across 150 cm length of a wire of potentiometer. When a resistance of 2 Ω is connected as a shunt with the cell, the balance point is obtained at 100 cm. The internal resistance of the cell is(a) 0.1 Ω(b) 1 Ω(c) 2 Ω(d) 0.5 Ω

As a result of interference of two coherent sources of light, energy is(a) Increased(b) Redistributed and the distribution does not vary with time(c) Decreased(d) Redistributed and the distribution changes with time

In P-N junction, the barrier potential offers resistance to(a) Free electrons in N region and holes in P region(b) Free electrons in P region and holes in N region(c) Only free electrons in N region(d) Only holes in P region