Electric Circuits The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be 4 Ω. 40 Ω. 800 Ω. 400 Ω. 4 Ω. 40 Ω. 800 Ω. 400 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a function is shifted by 'T', then it is correctly represented as f (t) u (t-T). f (t-T) u (t-T). f (t) u (t). f (t-T) u (t). f (t) u (t-T). f (t-T) u (t-T). f (t) u (t). f (t-T) u (t). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If one cycle of AC waveform occurs every millisecond, the frequency will be 100 Hz. 50 Hz. 10 kHz. 1000 Hz. 100 Hz. 50 Hz. 10 kHz. 1000 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit, if the voltage across capacitor is greater than voltage across inductor, then power factor of the network is zero. leading. unity. lagging. zero. leading. unity. lagging. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a series R, L circuit, voltage across resistor and inductor are 3 V and 4 V respectively, then what is the applied voltage? 4V 7V 5V 3V 4V 7V 5V 3V ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across L is 50.5 V. 39.1 V. 45.5 V. 31.9 V. 50.5 V. 39.1 V. 45.5 V. 31.9 V. ANSWER DOWNLOAD EXAMIANS APP
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