Q. Which of the following statement about JFET is true?

View solution

Q. Which of the following is the common feature between FETs and bipolars?

View solution

Q. The current through common emitter resistor of a differential amplifier is called

View solution

Q. For the high-pass circuit to act as a differentiator, the time constant must be

View solution

Q. When a CE transistor is cut off

View solution

Q. With JFETs cascade means

View solution

Q. The bandwidth of an amplifier can be reduced by

View solution

Q. How many cascaded stage of CE amplifiers will result in polarity inversion of the input signal?

View solution

Q. The gain of a source follower is unity.

View solution

Q. In a transistor, current ICBO flow when

View solution

Q. The D.C. alpha(α) of a transistor is approximately

View solution

Q. Which of the following statement is incorrect?

View solution

Q. Which circuit is called swamped amplifier?

View solution

Q. In a linear op-amp circuit

View solution

Q. In a normally biased N-P-N transistor the main current crossing the collector junction is

View solution

Q. An engineer designs an amplifier to have a voltage gain of 60, but when constructed it only had a gain of 50. Which of the following will increases from this type of operation?

View solution

Q. For a transistor if αdc = 0.98 and emitter current IE is 2 mA, then base current will be

View solution

Q. Assertion (A): Linear ICs include audio amplifier, wideband amplifier, RF amplifier and IF amplifier

Reason (R): The error voltage in a feedback circuit is very small

View solution

Q. Assertion (A): The horizontal intercept of dc load line is the same as ideal cut off point

Reason (R): When a transistor is in cut off region, collector current is zero

View solution

Q. In a full wave diode rectifier circuit each diode carries current for

View solution