Electric Circuits If 1 A current flows in a circuit, the number of electrons flowing through this circuit is 1.6 × 10 - 19 0.625 × 10 - 19 1.6 × 1019 0.625 × 1019 1.6 × 10 - 19 0.625 × 10 - 19 1.6 × 1019 0.625 × 1019 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A variable capacitance is one whose capacitance changes with voltage. changes with time. changes with temperature. can be changed manually or by mechanical force. changes with voltage. changes with time. changes with temperature. can be changed manually or by mechanical force. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the three colour bands of a resistor are grey, violet and gold, what is the value of the resistor? 8.7 ohms. 9.7 ohms. 6.7 ohms. 7.7 ohms. 8.7 ohms. 9.7 ohms. 6.7 ohms. 7.7 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of each of them increases. copper increases and germanium decreases. copper decreases and germanium increases. each of them decreases. each of them increases. copper increases and germanium decreases. copper decreases and germanium increases. each of them decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor has a capacitance of 6 μF. Calculate the stored energy in it if a DC voltage of 100 V, is applied across it? 4 × 102 joules. 3 × 102 joules. 2.5 × 102 joules. 6 × 102 joules. 4 × 102 joules. 3 × 102 joules. 2.5 × 102 joules. 6 × 102 joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Addition of which of the following substance in electrolyte helps in producing bright finish? Dextrol. Phenol. Glycerine. Any of above. Dextrol. Phenol. Glycerine. Any of above. ANSWER DOWNLOAD EXAMIANS APP
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