According to the Barkhausen criterion for oscillators_______.

A – open loop gain

β – feed back factor

If the reverse bias on the gate of an FET is increased , the width of the conducting channel will _____.

An FET has the following parameters IDSS = 32mA , VGS ( off ) = -8V , VGS = -4.5V. What will be the drain current?

For good stabilization of the operating point in a voltage divider bias, the current I, flowing through potential dividers R1 and R2, should be equal to or greater than _____. (IB-base current)

If in a transistor IE = 10.5mA , IC = 10mA,the value of β will be _____.

A triac can pass a portion of _____.

If a circuit of full-wave centre-tapped rectifier with capacitor filter employs a load RL = 100Ω, and C = 1050µF and the frequency is 50HZ , what would be the ripple factor?

A vacuum tube conducts current _____.

An A.C supply of 230v is applied to a half wave rectifier circuit through a transformer of turn ratio 10:1. Its D.C voltage output will be _____.

A triac can pass a portion of _____.

If in a transistor IE = 10.5mA , IC = 10mA,the value of β will be _____.