Conductance of any conductor is expressed as watt / ampere2. ampere / watt. volt2 / watt. mho. TRUE ANSWER : ? YOUR ANSWER : ?
In RLC parallel circuit if current through capacitor and inductor is equal. Then What is the power factor? unity lagging leading zero TRUE ANSWER : ? YOUR ANSWER : ?
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across R is 30.6 V. 24.4 V . 40.8 V. 50.8 V. TRUE ANSWER : ? YOUR ANSWER : ?
Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system? BYR. RYB. YBR. RBY. TRUE ANSWER : ? YOUR ANSWER : ?
Mesh analysis is applicable for neither planar and non planar networks.. non planar networks. both planar and non planar networks. planar networks. TRUE ANSWER : ? YOUR ANSWER : ?
If conductance increases as temperature increases it is called as .......... both 1 and 2. negative co-efficient. positive co-efficient. None of these TRUE ANSWER : ? YOUR ANSWER : ?
Internal heating of a capacitor is usually attributed to electron movement. plate vibration. leakage resistance. dielectric charge. TRUE ANSWER : ? YOUR ANSWER : ?
An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 200 Ω. 40 Ω and 40 Ω. TRUE ANSWER : ? YOUR ANSWER : ?
When a lossy capacitor with a dielectric of permittivity ε and conductivity σ operates at a frequency ω the loss tangent for the capacitor is given by ω σ/ε. σ/ω ε. σ ω ε. ω ε/σ. TRUE ANSWER : ? YOUR ANSWER : ?