Current Electricity The filament of electrical bulb is made of Nickel Steel Aluminium Tungsten Nickel Steel Aluminium Tungsten ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? 40 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 100 W lamp will glow brighter 40 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 100 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. Remains same None of the listed here Decreases Increases Remains same None of the listed here Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity E. M. F. In a circuit Maintains potential difference Decrease circuit resistance None of the listed here Increases circuit resistance Maintains potential difference Decrease circuit resistance None of the listed here Increases circuit resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity One Newton meter is same as One watt One joule second Five joules One joule One watt One joule second Five joules One joule ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Currents are additive Elements have individual currents Power are additive Voltages are additive Currents are additive Elements have individual currents Power are additive Voltages are additive ANSWER DOWNLOAD EXAMIANS APP