Question: A Wien bridge is suitable for [A]. audio frequencies only [B]. radio frequencies only [C]. both audio and radio frequencies [D]. very low frequencies only Answer: Option A Explanation: No answer description available for this question.

Question: A Wien bridge oscillator uses Wien bridge for [A]. tuning and phase shift [B]. tuning [C]. phase shift [D]. either tuning or phase shift Answer: Option A Explanation: No answer description available for this question.

Question: An RC oscillator uses [A]. one RC combination [B]. two RC combinations [C]. at least three RC combinations [D]. either (a) or (b) Answer: Option C Explanation: One RC combination can give a phase shift of less them 90°.…

Question: A Clapp’s oscillator is [A]. a modified Hartley oscillator [B]. a modified Colpitt’s oscillator [C]. a modified RC oscillator [D]. none of the above Answer: Option B Explanation: No answer description available for this question.

Question: A Colpitt’s oscillator uses? [A]. a tapped inductor[B]. an inductor and two capacitors [C].both (a) and (b) [D]. either (a) or (b) Answer: Option C Explanation: No answer description available for this question.

Question: A Hartley oscillator uses [A]. a tapped inductor [B]. a tapped capacitor [C]. both (a) and (b) [D]. neither (a) nor (b) Answer: Option A Explanation: No answer description available for this question.

Question: An RC coupled amplifier has an open loop gain of 200 and a lower cutoff frequency of 50 Hz. If negative feedback with β = 0.1 is used, the lower cut off frequency will be [A]. about 50 Hz…

Question: A rectifier circuit has load resistance R. It uses a capacitance filter having capacitance C. For low ripple in the output [A]. RC should be 1 [B]. RC should be low [C]. RC should be high [D]. RC should…

Question: A full wave rectifier using centre tapped transformer and a bridge rectifier use similar diodes and have equal no load output voltage. Under equal load conditions [A]. Output voltage of bridge rectifier [B]. Output voltage of bridge rectifier will…

Question: As compared to full wave rectifier, a half wave rectifier [A]. has higher ripple factor [B]. has lower ripple factor [C]. may have higher or lower ripple factor [D]. has same ripple factor Answer: Option A Explanation: No answer…