Electric Circuits What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm? 20 microfarad. 1 microfarad. 8 microfarad. 3.2 microfarad. 20 microfarad. 1 microfarad. 8 microfarad. 3.2 microfarad. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The indication of the state of charge of a battery is best given by temperature of electrolyte. specific gravity of electrolyte. level of electrolyte. colour of electrolyte. temperature of electrolyte. specific gravity of electrolyte. level of electrolyte. colour of electrolyte. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current magnification will occur in which of the following case? Both None of these Parallel resonance Series resonance Both None of these Parallel resonance Series resonance 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? None of these The voltage across each bulb is not same. The current through each bulb is same. The power dissipation in each bulb is not same. None of these The voltage across each bulb is not same. The current through each bulb is same. The power dissipation in each bulb is not same. 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 – εr/F. F εr. 0. F. εr/F. F εr. 0. F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Coating generally recommended for hard surfacing is None of these copper plating. chromium plating. lead plating. None of these copper plating. chromium plating. lead plating. ANSWER DOWNLOAD EXAMIANS APP
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