class test 1

The resistance of a reverse biased diode is

• infinite

• low

• negative

• zero

The maximum efficiency of a Full Wave rectifier is

• 40.6%

• 81.2%

• 85.6%

• 100%

The current gain of a bipolar transistor drops at high frequencies due to

• high current effects in the base

• parasitic inductive element

• the early effect

• transistor capacitances

The input junction of BJT is

Define modulus of a counter.