Viewed from the terminal A and B, the following circuit shown in figure can be reduced to an equivalent circuit of a single voltage source in series with a single resistor with the following parameter a) 10 volt source in …
For the circuit shown in figure, The Norton equivalent source current value is _______ A and its resistance is _____ ohms Ans. 4.5 Ω Explanation: The given network is : By using source transformation,the circuit can be modified as, Again …
Superposition principle is not applicable to a network containing time – varying resistors. (True/ False). Ans. False Explanation: The Superposition principle is applicable on both the time variant and time invariant resistors.So, the given statement is incorrect.
The equivalent impedance Zeq for the infinity ladder circuit shown in the figure is a)j12Ω b)-j12Ω c)j13Ω d)13Ω Ans. (a) Explanation: Z1 = j9 Z2 = j5 – j1 = j4 Solving above equation we get, Zeq = j12
The power supplied by the 25 V source in the figure shown below is _________W. Ans. P=250 W Explanation: By using KCL at node, We get I + 0.4I = 14 or I = 10 A The power supplied is …
The equivalent resistance between the terminals A and B is ________ Ω. Ans. 3 Ω Explanation: Consider the following circuit daigram, After rearrangement We get,
In the circuits shown below, the voltage and current sources are ideal. The voltage (Vout )across the current source, in volts is a) 0 b) 5 c) 10 d) 20 Ans. (d) Explanation:
The voltage (V) and current (A) across a load are as follows. V(t)=100 sin(ωt) i(t) =10sin(ωt-60o)+2sin(3ωt) +5sin(5ωt). The average power consumed by the load, in W is________. Ans. 250 W Explanation: We know that the average power consumed by the …
In the circuit shown below, the node voltage V is _________V. Ans. 11.42 V Explanation: Appling KCL to the given circuit at node A, We get 2 VA + VA -10 + 2 VA + 20I1 = 5 5 VA …
A dc voltage with ripple is given by v(t) =[100 + 10sin(ωt)-5sin (3ωt)] volts. measurements of this voltage v(t),made by moving-coil and moving-iron voltmeters, show reading of v and v respectively. The value of V -V in volts is _________. …
In the given circuits, the current supplied by the battery, in ampere is __________. Ans. I1 = 1/2 A Explanation: Given circuit is, By Applying KCL at node A, we get -I1 + I2 + I2 = 0 2I2 = …
In the portion of a circuit shown \, if the heat generated in 5Ω resistances is 10 calories per second, then heat generated by the 4Ω resistances, in the calories per second is _________. Ans. Heat generated is 2 cal/sec …
