Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 88 V. 100 V. 70.7 V. 63.6 V. 88 V. 100 V. 70.7 V. 63.6 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 1.765 Ω. 63.7 Ω. 0.015 Ω. 135.86 Ω. 1.765 Ω. 63.7 Ω. 0.015 Ω. 135.86 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistivity of semi-conductors at room temperatures is 1.6 × 106 to 100 × 106 ohm - cm. 109 to 1012 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 109 to 1012 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Can a 250 V, 5 A single way switch be used in place of a 250 V, 15 A Switch? Single way switch doesn exist. No. Yes. Single way switch doesn operate at such current ratings. Single way switch doesn exist. No. Yes. Single way switch doesn operate at such current ratings. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor contain there dielectric layers of 1, 2 and 3 respectively and thickness of dielectric layers are 0.2 mm, 0.3 mm and 0.4 mm respectively. If area of plate is 20 cm2. What is the value of capacitance? 36.6 pF. 30 pF. None of them. 32 pF. 36.6 pF. 30 pF. None of them. 32 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is referred as the average value in AC opearation? Average of all values of an alternating quantity. Average of all values of an alternating quantity over a complete cycle. Average of all values of the (+)ve and (-)ve half. Average of all values of the phase sequences. Average of all values of an alternating quantity. Average of all values of an alternating quantity over a complete cycle. Average of all values of the (+)ve and (-)ve half. Average of all values of the phase sequences. ANSWER DOWNLOAD EXAMIANS APP
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