Electric Circuits The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be 0.5. 0.25. 2. 4. 0.5. 0.25. 2. 4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy stored by a capacitor is given by 1/2 CV2. 1/2 QV. all of them. Q2 / 2C. 1/2 CV2. 1/2 QV. all of them. Q2 / 2C. 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- 100 W lamp filament has longer length. 60 W lamp filament has shorter length. 60 W lamp filament has longer length. 60 W and 100 W lamp filament have equal length. 100 W lamp filament has longer length. 60 W lamp filament has shorter length. 60 W lamp filament has longer length. 60 W and 100 W lamp filament have equal length. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t} 11 W. 21 W. 1 W. 24.5 W. 11 W. 21 W. 1 W. 24.5 W. 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 current through each bulb is same. The power dissipation in each bulb is not same. The voltage across each bulb is not same. None of these The current through each bulb is same. The power dissipation in each bulb is not same. The voltage across each bulb is not same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the value of charge of an electron? 1.6022 × 10-19 Coulomb 1.6022 × 10-27 Coulomb 1.6022 × 10-8 Coulomb 1.6022 × 10-7 Coulomb 1.6022 × 10-19 Coulomb 1.6022 × 10-27 Coulomb 1.6022 × 10-8 Coulomb 1.6022 × 10-7 Coulomb ANSWER DOWNLOAD EXAMIANS APP