Q.1.
A series RC circuit has R = 5 Ω and C =μF. The current in the circuit is 5 sin 20000t. The applied voltage is
Q.2.
A 0.5 μF capacitor is connected across aV battery. After a long time, the circuit current and voltage across capacitor will be
Q.3.
Which of the following pairs are correctly matched? Brune's realisation : realisation with ideal transformer.Cauer realisation : ladder realisation.Bott Duffin realisation : with non ideal transformer. Select the answer using the following codes:
Q.4.
The synthesis of minimum function was suggested by
Q.5.
A cable has an insulation resistance ofohms. If the length is doubled, the insulation resistance will be
Q.6.
Two networks are cascaded through an ideal buffer. If td1 and td2 are delay times of network, the overall delay time is
Q.7.
In an R-C series circuit excited by a voltage E, the charge across capacitor at t =is
Q.8.
Wave A =sin ωt and wave B =cos ωt. Then
Q.9.
The drift velocity of electrons is
Q.10.
The terms RMS and average values apply only to sine waves.
Q.11.
For a transmission line open circuit and short circuit impedances areΩ and 5 Ω. Then characteristic impedance is
Q.12.
Henry is equivalent to
Q.13.
In a parallel resonant circuit, the circuit current at resonance is maximum.
Q.14.
An RLC series circuit is underdamped. To make it overdamped, the value of R
Q.15.
In a minimum function
Q.16.
Superposition theorem can be applied only to circuits having
Q.17.
A linear resistor having 0 A. current controlled resistor B. voltage controlled resistor C. both current controlled and voltage controlled resistor D. none of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on BoardSuperposition theorem can be applied only to circuits having A. Resistive elements B. Passive elements C. Nonlinear elements D. Linear bilateral elements Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board 1 2 3 4 5 6 7 8 9 10
Q.18.
The circuit has resistors, capacitors and semiconductor diodes. The circuit will be known as
Q.19.
For maximum transfer of power, internal resistance of the source should be
Q.20.
For high efficiency of transfer of power, internal resistance of the source should be