Electric Circuits Whenever current is supplied by a source its terminal voltage remains constant. increases exponentially. increases. decreases. remains constant. increases exponentially. increases. decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – F. εr/F. 0. F εr. F. εr/F. 0. F εr. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be 30 mA. 100 mA. 300 mA. 3 A. 30 mA. 100 mA. 300 mA. 3 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 60 Hz frequency voltage would cause a bulb to turn on and off 120 times per second. 80 times per second. 70 times per second. 60 times per second. 120 times per second. 80 times per second. 70 times per second. 60 times per second. 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 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. 60 W lamp filament has longer length. 100 W lamp filament has longer length. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The frequency of EMF generated by a generator depends upon its number of poles. nature of supply. both speed and number of poles. speed. number of poles. nature of supply. both speed and number of poles. speed. ANSWER DOWNLOAD EXAMIANS APP
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