Electric Circuits What is called a cycle in case of AC operation ? When ac goes through a complete (+)ve to (-)ve, is called a cycle. When an alternating quantity completes the (–)ve cycle, is called a cycle. When ac completes the (+)ve half, is called a cycle. Option A and C both. When ac goes through a complete (+)ve to (-)ve, is called a cycle. When an alternating quantity completes the (–)ve cycle, is called a cycle. When ac completes the (+)ve half, is called a cycle. Option A and C both. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits How many 200W / 220V bulbs connected in series across 220V supply will consume 100W? 4. 2. 1. Not possible. 4. 2. 1. Not possible. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current in a chemical cell is a movement of negative ions only. positive ions only. positive hole charges. positive and negative ions. negative ions only. positive ions only. positive hole charges. positive and negative ions. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem? Millman’s theorem. Superposition theorem. Thevenin’s theorem. Norton’s theorem. Millman’s theorem. Superposition theorem. Thevenin’s theorem. Norton’s theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is 1/4. 4. 1. 16. 1/4. 4. 1. 16. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For balanced star load, if unbalanced line current are IR, IY, IB equal to - j10, - j10 and - j20 respectively, the neutral current will be equal to (-8.66 - j5) A. (8.66 + j5) A. (8.66 - j5) A. (-9.66 + j5) A. (-8.66 - j5) A. (8.66 + j5) A. (8.66 - j5) A. (-9.66 + j5) A. ANSWER DOWNLOAD EXAMIANS APP
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