Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the current in the circuit? 0.1578 A. 0.2547 A. 0.1465 A. 0.4583 A. 0.1578 A. 0.2547 A. 0.1465 A. 0.4583 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits 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. ω σ/ε. σ ω ε. σ/ω ε. ω ε/σ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Mica capacitor are characterised by all of following except accurate value. low leakage reactance. stable operation. low losses. accurate value. low leakage reactance. stable operation. low losses. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The power dissipated in a pure capacitor is zero. both (B) and (C) above. proportional to the value of capacitance. proportional to applied voltage. zero. both (B) and (C) above. proportional to the value of capacitance. proportional to applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistor are said to be connected in parallel when both carry the same value of current. both ‘b’ and ‘c’ both have the same potential difference. total current equals the sum of branch currents. both carry the same value of current. both ‘b’ and ‘c’ both have the same potential difference. total current equals the sum of branch currents. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is 22.4A. 17.3A . 14.14A. 30A. 22.4A. 17.3A . 14.14A. 30A. ANSWER DOWNLOAD EXAMIANS APP
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