81. The Voltage across the last resistor is V. All resistors are unity. Then Vs is given by
82. The colour band on the extreme left in general purpose fixed resistors represents:
83. Two inductively coupled coils have self inductance L1 = 50 mH, L2 = 200 mH. Find the value of maximum possible mutual inductance if the coefficient of coupling is 0.5.
84. The circuit shown in the Figure, is to be scaled to an impedance level of 5 kΩ and a resonant frequency of 5 M rad/s. Which one of the following is a correct set element values for the scaled circuit?
85. The common voltage across parallel branches with different voltage sources can be determined by
86. Six light bulbs are connected in parallel across 110 volt. Each bulb is 75 Watt. The current flows through each bulb is
87. For a 3-pF capacitor with 20 V across it, the energy stored will be:
88. Two similar mutually coupled coils have a total inductance of 900 mH co-efficient of coupling is 0.5. The self inductance of each coil is
89. Obtain potential of node B with respect to node G in the network shown in the figure.
90. The response of the LTI (Linear Time Invariant) system:
For input x(t) = δ(t) is:
For input x(t) = δ(t) is:
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