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: A dc machine has 6 poles all connected in series. Each pole has 9 H inductance and field current is 2 A. Total inductance and total energy stored are [A]. 9 H and 18 J [B]. 18 H and…
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 NOR gate has 3 inputs A, B, C. For which combination of inputs is output HIGH [A]. A = B = C = 0 [B]. A = B = C = 1 [C]. A = B = 1…
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: K maps can be drawn [A]. only for 2 variables [B]. only for 3 variables [C]. only for 4 variables [D]. for any number of variables Answer: Option D Explanation: No answer description available for this question.
Question: A series resonant circuit has R = 2 Ω, L = 0.1 H and C =10 μF. At resonance applied voltage = 10 ∠0 V. Voltage across inductance is likely to be [A]. 10 ∠0 V [B]. 10 ∠45°…
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 two branch parallel tuned circuits has a coil of resistance R and inductance L in one branch and capacitance C in the second branch. The bandwidth is 200 radians/sec. A load of resistance RL is connected in parallel.…