Physics General Science Test Hard Mode

Sr. #	Questions	Answers Choice
1	When we apply reverse bias to a junction diode it	Lowers the potential barrier Raises the potential barrier Increase the majority carrier current Decrease the majority carrier current
2	In a common base transistor circuit the current gain is 0.98.On changing the emitter current by 5.00 mA, the change in collector current is:	0.196 mA 2.45 mA 4.9 mA 5.1 mA
3	In case of p-n junction diode at high value of reverse bias the current rises sharply The value of reverse bias is known as	Cut off voltage Zener voltage Inverse voltage Critical voltage
4	A cable breaks if stretched by more than 2 mm it is cut into two equal parts how much either part can be stretched without breaking?	0.25 m 0.5 m 1 mm 2 mm
5	For obtaining appreciable extension the wire should be	Short and thin Long and thin Short and tick Long and thick

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