List of top Physics Questions on Current electricity asked in GUJCET

The Wheatstone bridge is in balanced condition in the given figure (assume branches are 2$\Omega$, 6$\Omega$, X, and 12$\Omega$ in order), then X = ______.
The emf of a storage battery of a car is 6.0 V. If internal resistance of the battery is 0.2 $\Omega$, then maximum power drawn from the battery is ____ W.
On increasing the temperature of a conductor, for free electrons ______ increases.
A metal rod of length 10 cm and a rectangular cross section of 1 cm $\times$ 1/2 cm is connected to a battery across opposite faces. The resistance will be _____.
For a series combination of resistors, what is the value of \( n \) for the formula \( \frac{n}{n+1} + \frac{1}{R} = \frac{1}{R_{eq}} \)?
In the circuit shown, the total resistance of the series combination is 0.5Ω. If a potential difference of 15V is applied, calculate the total potential across the combination of the series connected resistors.
In a circuit with resistors and a voltage of \( V \), if a new resistor is added to the series combination, what will be the new potential?
In the circuit shown, what is the voltage at point \( P \)?
What is the current flowing in the circuit shown? (The resistor is 100$Ω$, and the voltage is +6V and +5V).
In a resistor network with resistance \( R \), what is the ratio of the total resistance when the resistances are combined in series and parallel?
A resistor of value 200Ω and capacitance 15μF are connected in series. What is the total time constant of the circuit?
A 12W resistor is connected to a battery of 24V. What is the current through the resistor?
The resistance of 1 N solution of acetic acid is 250 $\Omega$, when measured in a cell of cell constant $1.15 cm ^{-1}$. The equivalent conductance (in $ohm^{-1} cm^2 equiv^{-1}) $of 1 N acetic acid is
The deflection in a moving coil galvanometer falls from 50 divisions to 10 divisions,when a shunt of $ 2? $ is connected with it. The resistance of galvanometer coil is
The internal resistance of a cell of emf 4 V is $ 0.1 \Omega $ It is connected to a resistance of $ 3.9 \Omega $. The voltage across the cell will be
Currents of 10 A and 2 A are passed through two parallel wires A and B respectively in opposite directions. If the wire A is infinitely long and length of the wire B is 2 m, the force acting on the conductor B which is situated at 10 cm distance from A will be
A voltmeter has resistance of G ohm and range of V volt.The resistance required in series to convert it into a voltmeter of range n V volt is