Physics General Science Test Hard Mode

Sr. #	Questions	Answers Choice
1	Two electric bulbs of 200 W and 100 W have same voltage.If R1 and R2 be their resistance respectively then	R<sub>1</sub> = 2R<sub>2</sub> <span style="font-size: 14.44444465637207px;">R</span><sub>2</sub><span style="font-size: 14.44444465637207px;"> = 2R</span><sub>1</sub> <span style="font-size: 14.44444465637207px;">R</span><sub>2</sub><span style="font-size: 14.44444465637207px;"> = 4R</span><sub>1</sub> <span style="font-size: 14.44444465637207px;">R</span><sub>1</sub><span style="font-size: 14.44444465637207px;"> = 4R</span><sub>2</sub>
2	A ten-ohm electric heater operates on a 110 V line Calculate the rate at which it develops heat in watts:	1310 W 670 W 810 W 1210 W
3	The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart. with force of repulsion between the spheres to be 10^-19 N is	25 225 625 1250
4	Two points charges A and B separated by a distance R attract each other with a force of 12 x 10^-3 N. The force between A and B when the charges on them are doubled and distance is halved	1.92 N 19.2 N 12 N 0.192 N
5	A charge Q is divided into two parts q and Q - q and separated by a distance R. the force of repulsion between them will be maximum when:	q = Q/4 q = Q/2 q = Q None of these

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