Electric Circuits The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be 0.5. 2. 0.25. 4. 0.5. 2. 0.25. 4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the reactive power in AC operation? Apparent power × sinθ. Real power × cosθ. Real power × sinθ. Apparent power × cosθ. Apparent power × sinθ. Real power × cosθ. Real power × sinθ. Apparent power × cosθ. ANSWER DOWNLOAD EXAMIANS APP
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 ac completes the (+)ve half, is called a cycle. Option A and C both. 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. When ac completes the (+)ve half, is called a cycle. Option A and C both. When an alternating quantity completes the (–)ve cycle, is called a cycle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power 150 Hz. 0 Hz. 50 Hz. 100 Hz. 150 Hz. 0 Hz. 50 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistor are said to be connected in parallel when total current equals the sum of branch currents. both carry the same value of current. both have the same potential difference. both ‘b’ and ‘c’ total current equals the sum of branch currents. both carry the same value of current. both have the same potential difference. both ‘b’ and ‘c’ ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit. What is the value of current I in the 5 Ω resistor in the circuit given in the figure? 0 A. 4 A. 3 A. 2 A. 0 A. 4 A. 3 A. 2 A. ANSWER DOWNLOAD EXAMIANS APP
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