List of top Physics Questions on Electric Current asked in AP EAMCET

A rectangular coil of size 15 cm \( \times \) 20 cm is placed in XY plane in a region of uniform electric field \( 3 \times 10^3 \, {KVm}^{-1} \). Then the electric flux through the coil is:
In a potentiometer, the area of cross-section of the wire is 4 cm\(^2\), the current flowing in the circuit is 1 A, and the potential gradient is 7.5 Vm\(^{-1}\). Then the resistivity of the potentiometer wire is

A series LCR circuit is shown in the figure. Where the inductance of 10 H, capacitance 40 \muF and resistance 60 Ω are connected to a variable frequency 240 V source. The current at resonating frequency is.
 

In an \( npn \) transistor circuit, the collector current is \( 10 \) mA. If \( 95% \) of the electrons emitted reach the collector, then the base current is nearly:
The electric field intensity (\(E\)) at a distance of 3 m from a uniform long straight wire of linear charge density 0.2 \(\mu C m^{-1}\) is:

In the figure, if A & B are identical bulbs, which bulb glows brighter?

The resistance between points A and C in the given network is 

A steady current is flowing in a metallic conductor of non-uniform cross section. The physical quantity which remains constant is
Drift speed \( v \) varies with the intensity of the electric field \( E \) as per the relation
In a series LCR circuit, the voltage across resistance of \( 2000 \, \Omega \) is 200 V and the resonant frequency is \( 400 \, {rad/s} \). The capacitance \( C \) value is 4 μF. At resonance, the voltage across \( L \) is
If the length is doubled and the area is halved then drift velocity will be?