The contents of Register (B) and Accumulator (A) of 8085 microprocessor are 49H and 3AH respectively. The contents of A and the status of carry flag (CY) and sign flag (S) after executing SUB B instructions are
In the circuit of given figure, the current iD through the ideal diode (zero cut in voltage and forward resistance)equals
In the circuit of the given figure, the equivalent impedance seen across terminals a, b is
In a single-phase series inverter, the operating frequency is 5 kHz and the thyristor turn-off time t2= 5 ms. Circuit parameters are R = 4Ω, L = 50 μH, C = 7 μF and Vs = 220 V DC.Time of dead zone in ms assume a factor of safety = 1.5 is_______.
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Can a 50 Hz transformer be used as 25Hz, if input voltage is maintained constant at therated value corresponding to 50 Hz?
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The inductance of a 20 A electrodynamic ammeter changes uniformly at the rate of 0.005 mH/degree, the spring constant is 10–6 N–m/degree. The angular deflection at full scale in degree is _______.
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For a second-order system with the closed-loop transfer function
\(T(s)=\frac{9}{s^{2}+4s+9}\)the settling time for 2-percent band, in seconds,is __________.
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Darlington emitter-follower circuit is sometimes used in the output stage of a TTL gate in order to
In closed loop control system shown in figure below. What is the sensitivity of the gain of the overall system M, to the variation in H?
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Assume that op-amp of the given figure is ideal. If Vi is a triangular wave, then V0 will be
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