	1)	Ohm's law :
		is valid for conductors is not valid for semiconductors is valid for electrolytes is valid for diodes

	2)	A rheostat is a _ ?
		adjustable resistor fixed resistor capacitor none of the above

	3)	A potential difference of 10V appears across the ends of a resistor when 5A of current flows through it. The resistance of the resistor is :
		5 Ohm 10 Ohm 2 Ohm 15 Ohm

	5)	The graph of current I (on y-axis) Vs. potential difference V (on x-axis) is found to be a straight line. The slope of the straight line gives :
		Voltage Resistance Reciprocal of resistance Current

	4)	The S.I. unit of resistance is :
		Newton Ohm Watt Joule