Electric Circuits A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is 1.2 k Ω. 7.2 k Ω. 2.4 k Ω. 3.6 k Ω. 1.2 k Ω. 7.2 k Ω. 2.4 k Ω. 3.6 k Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If 1 A current flows in a circuit, the number of electrons flowing through this circuit is 0.625 × 10 - 19 1.6 × 10 - 19 0.625 × 1019 1.6 × 1019 0.625 × 10 - 19 1.6 × 10 - 19 0.625 × 1019 1.6 × 1019 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Poorest conductor of electricity is Aluminium. Carbon. Silver. Steel. Aluminium. Carbon. Silver. Steel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be 3 / 4 Ω. 3 / 2 Ω. 6 Ω. 4 / 3 Ω. 3 / 4 Ω. 3 / 2 Ω. 6 Ω. 4 / 3 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 10Ω resistor is stretched to increase its length double. Its resistance will now be 20 Ω. 40 Ω. 5 Ω. 10 Ω. 20 Ω. 40 Ω. 5 Ω. 10 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current efficiency in electroplating is usually 99 %. 90 to 98 %. 70 to 80 %. 50 to 60 %. 99 %. 90 to 98 %. 70 to 80 %. 50 to 60 %. ANSWER DOWNLOAD EXAMIANS APP
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