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 value of C? 4.78 µF. 10.54 µF. 1.8 µF. 8.51 µF. 4.78 µF. 10.54 µF. 1.8 µF. 8.51 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current magnification will occur in which of the following case? None of these Series resonance Both Parallel resonance None of these Series resonance Both Parallel resonance ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following are typical resistance and power-dissipation values for a carbon-composition resistor? 1000000 ohms, 1 W. 10 ohm, 50 W. 5000 ohms, 100W. 10000 ohms, 10 W. 1000000 ohms, 1 W. 10 ohm, 50 W. 5000 ohms, 100W. 10000 ohms, 10 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Silver coating is provided for bearing surfaces. all of above. protective purpose. decorative purpose. bearing surfaces. all of above. protective purpose. decorative purpose. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits 2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is 105. 60. 15. 75. 105. 60. 15. 75. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called a cycle in case of AC operation ? Option A and C both. When ac completes the (+)ve half, is called a cycle. When an alternating quantity completes the (–)ve cycle, is called a cycle. When ac goes through a complete (+)ve to (-)ve, is called a cycle. Option A and C both. When ac completes the (+)ve half, is called a cycle. When an alternating quantity completes the (–)ve cycle, is called a cycle. When ac goes through a complete (+)ve to (-)ve, is called a cycle. ANSWER DOWNLOAD EXAMIANS APP
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