Electric Circuits A cube of material of side 1 cm has a resistance of 0.002 Ω between its opposite faces. If the same volume of the material has a length of 4 cm and a uniform cross - section, the resistance of this length will be 0.032 Ω. 0.016 Ω. 0.128 Ω. 0.064 Ω. 0.032 Ω. 0.016 Ω. 0.128 Ω. 0.064 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Atoms have no electric charge because they have an equal number of charged and non charged particles. have neutrons in their nuclei. have an equal number of electrons and protons. have an equal number of neutrons and protons. have an equal number of charged and non charged particles. have neutrons in their nuclei. have an equal number of electrons and protons. have an equal number of neutrons and protons. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit contains two unequal resistor in parallel voltage drops across both are same. currents in both are same. voltage drops are according to their resistive value. heat losses in both are same. voltage drops across both are same. currents in both are same. voltage drops are according to their resistive value. heat losses in both are same. 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. 6 × 102 joules. 3 × 102 joules. 2.5 × 102 joules. 4 × 102 joules. 6 × 102 joules. 3 × 102 joules. 2.5 × 102 joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following capacitors has relatively shorter shelf life? Paper. Glass. both (B) and (C) above. Electrolytic. Paper. Glass. both (B) and (C) above. Electrolytic. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be 1:1. 1:2. 1:8. 4:1. 1:1. 1:2. 1:8. 4:1. ANSWER DOWNLOAD EXAMIANS APP
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