List of top Physics Questions on Current electricity asked in JIPMER

Find the current drawn from the battery just after the switch is closed

To convert a galvanometer into an ammeter, one needs to connect a

Find R between A and B.

A 220 volt - 1000 watt bulb is connected across a 110 volt mains supply. The power consumed will be

The electric resistance of a certain wire of iron is $R$. If its length and radius are both doubled, then

In the circuit shown below, the potential of $A$ with respect to $B$ of the capacitor $C$ is

The radius of a thin wire is 0.16 mm. The area of cross-section of wire in $mm^2$ with correct number of significant figures is

In a Wheatstone?s network, $P = 2 \, \Omega , Q = 2\, \Omega , R = 2\, \Omega$ and$ S = 3\,\Omega$. The resistance with which $S$ is to be shunted in order that the bridge may be balanced is

The equivalent resistance across A and B is

A capacitor of capacitance $ 5 \mu F $ is connected as shown in the figure. The internal resistance of the cell is $ 0.5 O $ The amount of charge on the capacitor plates is

A galvanometer acting as a voltmeter should have

In the circuit shown in the given figure, the resistances $R_1$ and $R_2$ are respectively

A galvanometer having a coil resistance of $ 60O $ shows full scale deflection when a current of 1.0 A passes through it. It can be converted unto an ammeter to read currents upto 5.0 A by

A steady current of $1.5\, A$ flows through a copper voltameter for 10 min. If the electrochemical equivalent of copper is $30 \times 10^{-5}\, g\, C ^{-1}$, the mass of copper deposited on the electrode will be

For the network shown in the figure, the value of the current $i$ is

Potometer works on the principle of

When a wire of uniform cross-section $ a $ , length $ l $ and resistance $R$ is bent into a complete circle, resistance between two of diametrically opposite points will be

Potometer is used to measure:

When a resistance of $\alpha\, \Omega$ is connected at the ends of a battery, its potential difference decreases from $40\, V$ to $30\, V$. The internal resistance of the battery is

The resistivity of metal increases with increase in temperature because:

A battery of emf 10V and internal resistance 0.5 ohm is connected across a variable resistance R. The value of R for which the power delivered in it is maximum is given by :

The unit of luminous efficiency of electric bulb is:

Five dry cells each of e.m.f. 1.5 V and internal resistance $ 1\Omega $ are connected in parallel. The emf of the combination is:

What is the dielectric constant of a conductor?