TS EAMCET 2020 (Online) 11th September Morning Shift | Current Electricity Question 56 | Physics

A conducting wire of cross-sectional area $1 \mathrm{~cm}^2$ has $3 \times 10^{23}$ charge carriers per $\mathrm{m}^3$. If wire carries a current of 24 mA , then drift velocity of carriers is

$5 \times 10^{-2} \mathrm{~m} / \mathrm{s}$

$0.5 \mathrm{~m} / \mathrm{s}$

$5 \times 10^{-3} \mathrm{~m} / \mathrm{s}$

$5 \times 10^{-6} \mathrm{~m} / \mathrm{s}$

TS EAMCET 2020 (Online) 11th September Morning Shift

MCQ (Single Correct Answer)

-0

The total current supplied to the following circuit by the battery is

TS EAMCET 2020 (Online) 11th September Morning Shift Physics - Current Electricity Question 6 English

4 A

2 A

1 A

6 A

TS EAMCET 2020 (Online) 10th September Evening Shift

MCQ (Single Correct Answer)

-0

A cylindrical wire $P$ has resistance $10 \Omega$. A second wire $Q$ has length and diameter half that of $P$. If the material of both the wires is same, then resistance of wire $Q$ is

$10 \Omega$

$20 \Omega$

$5 \Omega$

$\frac{5}{2} \Omega$

TS EAMCET 2020 (Online) 10th September Evening Shift

MCQ (Single Correct Answer)

-0

Find the current in the circuit.

TS EAMCET 2020 (Online) 10th September Evening Shift Physics - Current Electricity Question 8 English

0.01 A

0.02 A

0.03 A

0.04 A

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