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? 63.7 Ω. 135.86 Ω. 1.765 Ω. 0.015 Ω. 63.7 Ω. 135.86 Ω. 1.765 Ω. 0.015 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? The power dissipation in each bulb is not same. None of these The current through each bulb is same. The voltage across each bulb is not same. The power dissipation in each bulb is not same. None of these The current through each bulb is same. The voltage across each bulb is not same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two electric bulbs have transparent filament of same thickness. It one of them gives 60 W and other gives 100 W, then- 60 W lamp filament has longer length. 100 W lamp filament has longer length. 60 W and 100 W lamp filament have equal length. 60 W lamp filament has shorter length. 60 W lamp filament has longer length. 100 W lamp filament has longer length. 60 W and 100 W lamp filament have equal length. 60 W lamp filament has shorter length. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When the internal resistance of a cell is large compared to the external resistance in the circuit then high current can flow through the external resistance by grouping the cells mixed. as in series. in either series or parallel. in parallel. mixed. as in series. in either series or parallel. in parallel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following capacitor will have least value of breakdown voltage? Electrolytic. Ceramic. Mica. Paper. Electrolytic. Ceramic. Mica. Paper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Poorest conductor of electricity is Aluminium. Steel. Carbon. Silver. Aluminium. Steel. Carbon. Silver. ANSWER DOWNLOAD EXAMIANS APP
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