Questions in Current Electricity

Select	Question
	Two cells, e.m.f. of each is $E$ and internal resistance $r$ are connected in parallel between the resistance $R$. The maximum energy given to the resistor will be, only when
	Kirchhoff's first law $i.e.$$\Sigma i = 0$ at a junction is based on the law of conservation of
	Kirchhoff's second law is based on the law of conservation of
	The figure below shows currents in a part of electric circuit. The current i is
	The terminal potential difference of a cell is greater than its e.m.f. when it is
	In the circuit shown, potential difference between X and Y will be
	In the circuit shown, potential difference across the $40\,\Omega $ resistance will be
	In the circuit shown, A and V are ideal ammeter and voltmeter respectively. Reading of the voltmeter will be
	When a resistance of 2ohm is connected across the terminals of a cell, the current is 0.5 amperes. When the resistance is increased to 5 ohm, the current is 0.25 amperes. The internal resistance of the cell is
	The terminal potential difference of a cell when short-circuited is ($E$ = E.M.F. of the cell)