Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 4R. R. 2R. 0.5R. 4R. R. 2R. 0.5R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If Vout = 1 V for 1 kHz input then what would be Vout for 10 kHz for same input ? 0.1 V . 1 V. 0.01 V. None of these. 0.1 V . 1 V. 0.01 V. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit increase if frequency of voltage source increases? VL and I. VL and Z. Z and I. VL and VR. VL and I. VL and Z. Z and I. VL and VR. 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. F. 0. εr/F. F εr. F. 0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When water is added to sulphuric acid water start boiling. colour of acid changes. lot of heat is generated. acid particles get separated. water start boiling. colour of acid changes. lot of heat is generated. acid particles get separated. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The breakdown voltage for paper capacitor is usually 200 to 1600 volts. 2000 to 3000 volts. more than 10000 volts. 20 to 60 volts. 200 to 1600 volts. 2000 to 3000 volts. more than 10000 volts. 20 to 60 volts. ANSWER DOWNLOAD EXAMIANS APP
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