Emf of a cell is …………… the terminal voltage when cell is not in use, while …………… the terminal voltage when cell is in use.

1. greater than, smaller than
2. smaller than, greater than
3. equal to, greater than
4. equal to, smaller than

In parallel combination of resistances :

1. p.d. is the same across each resistance
2. current is the same in each resistance
3. total resistance is increased
4. all of the above are true

For parallel combination of resistances, which of the statements are correct ?

1. On I-V graph, the slope of line is more.
2. The potential difference across each resistance is same.
3. The current in a resistor is inversely proportional to the resistance.
4. All of the above