Electric Circuits In direct arc furnace which of following is of high value? All of above. Voltage. Power factor. Current. All of above. Voltage. Power factor. Current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RC series circuit R = 2Ω, C = 2μF and 10V dc is applied. Then what is the value of current? 10A 0A 5A 2A 10A 0A 5A 2A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The greater the internal resistance of a cell the greater the terminal voltage. the greater the emf. the lesser the terminal voltage. the lesser the emf. the greater the terminal voltage. the greater the emf. the lesser the terminal voltage. the lesser the emf. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I? 4 A. 6 A. 10 A. 5 A. 4 A. 6 A. 10 A. 5 A. 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 A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? dielectric losses increases. dielectric losses decreases. open circuit. short circuit. dielectric losses increases. dielectric losses decreases. open circuit. short circuit. ANSWER DOWNLOAD EXAMIANS APP
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