Can the potential difference across a battery be greater than its emf?

An inductor of inducance 5.0 H, having a negligible resistance, is connected in series with a 100 Omega resistor and a battery of emf 2.0 V. Find the potential difference across the resistor 20 ms after the circuit is switched on.

If power dissipaited the 9 Omega resistor is shown is 36 watt,the potential difference across the 2 Omega resistor is

A capacitance C , a resistance R and an emf (epsilon) are connected in series at t=0.What is the maximum value of (a) the potential difference across the resistor, (b) the current in the circuit,(c )the potential difference across the capacitor, (d) the energy stored in the capacitor ,(e)the power delivered by the battery and (f) the power converted int heat.

Two capacitors of capacitances 20 .0pF and 50.0pF are connected in series with a 6.00V battery . Find (a )the potential difference across each capacitor and (b) the energy stored in each capacitor .

In a series LCR circuit with an AC source, R = 300 Omega, C = 20 muF, L = 1.0 henry, epsilon_(rms) = 50 V and v = 50/(pi) Hz . Find (a) the rms current in the circuit and (b) the rms potential differences across the capacitor, the resistor and the inductor. Note that the sum of the rms potential differences across the three elements is greater than the rms voltage of the source.

A battery of emf 2.0 V and internal resistance 0.50(Omega) supplies a current of 100 mA. Find (a) the potential defference across the terminals of the battary and (b) the thermal energy develop in the battery in 10 s.

A voltmeter of resistances 400(Omega) is used to measure the potential difference across the 100(Omega) resistor in the circuit shown in figure.(a) What will be the reading of the voltmeter ?(b) What was the potential difference across 100(Omega) before the voltmeter was connected ?

In the circuit shown in figure E,F, G and H are cell of emf 2,1,3, and 1 V respectively. The resistances 2,1,3 and 1(Omega)are their respective internal resistance .Calculate (a)the potential difference between B and D and (b) the potential differences across the terminals of each of each of the cells G and H.