AP EAPCET 2024 - 19th May Evening Shift | Current Electricity Question 17 | Physics

The resistance between points $A$ and $C$ in the given network is AP EAPCET 2024 - 19th May Evening Shift Physics - Current Electricity Question 19 English

AP EAPCET 2024 - 19th May Evening Shift Physics - Current Electricity Question 19 English

$\frac{R}{4}$

$\frac{R}{2}$

$2 R$

$R$

AP EAPCET 2024 - 19th May Evening Shift

MCQ (Single Correct Answer)

-0

The voltage $V_0$ in the network shown is AP EAPCET 2024 - 19th May Evening Shift Physics - Current Electricity Question 18 English

$V_0=11.3 \mathrm{~V}$

$V_0=9.8 \mathrm{~V}$

$V_0=12.0 \mathrm{~V}$

$V_0=0.7 \mathrm{~V}$

AP EAPCET 2024 - 18th May Morning Shift

MCQ (Single Correct Answer)

-0

In a potentiometer, the area of cross-section of the wire is $4 \mathrm{~cm}^2$. The current flowing in the circuit is 1 A and the potential gradient is $7.5 \mathrm{Vm}^{-1}$. Then, the resistivity of the potentiometer wire is

$3 \times 10^{-3} \mathbf{q}-\mathrm{m}$

$2 \times 10^{-6} \mathrm{Q}-\mathrm{m}$

$4 \times 10^{-2} \mathbf{Q}$-m

$5 \times 10^{-4} \Omega$-m

AP EAPCET 2024 - 18th May Morning Shift

MCQ (Single Correct Answer)

-0

Drift speed $v$ varies with the intensity of electric field $E$ as per the relation.

$v=E$

$v \propto \frac{1}{E}$

$v=E^2$

$v=E^{-2}$

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