A constant potential difference is applied across a metallic conductor of non-uniform cross-section. If the cross-sectional area at section P is $A_P$ and at section Q is $A_Q$, and given that $A_P > A_Q$, which of the following statements is correct?

Question

Prepp Team · Accepted Answer

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Prepp Team · Answer

The current density at section P is greater than at section Q ($J_P > J_Q$).

Prepp Team · Answer

The drift velocity of electrons at section P is greater than at section Q ($v_{dP} > v_{dQ}$).

Prepp Team · Answer

The total current flowing through section P is greater than through section Q ($I_P > I_Q$).

Important Questions from Electric Current

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