Electric Circuits If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance n2 / R. R / n2. nR . n2R. n2 / R. R / n2. nR . n2R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of E within the field due to a point charge can be found with help of Lenzs law. Coulombs law. Faradays law. Kirchhoffs law. Lenzs law. Coulombs law. Faradays law. Kirchhoffs law. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the circuit shown below the value of R is adjusted so as to make the current in RL equal to zero. Calculate the value of R. 3 Ω. 2 Ω. 4 Ω. 1 Ω. 3 Ω. 2 Ω. 4 Ω. 1 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is 2C Farad. 4C Farad. C Farad. 16C Farad. 2C Farad. 4C Farad. C Farad. 16C Farad. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the inductance. 0.47 µF. 1.58 µF. 6.37 µF. 2.25 µF. 0.47 µF. 1.58 µF. 6.37 µF. 2.25 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the unit of potential difference ? Volt Ampere Watt Ohm Volt Ampere Watt Ohm ANSWER DOWNLOAD EXAMIANS APP
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