Electric Circuits The unit of resistivity is Ω. Ω / metre. Ω - metre. Ω / m². Ω. Ω / metre. Ω - metre. Ω / m². ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The efficiency in case of maximum power transfer theorem is less than 50 %. 100 %. 50 % - 100 %. 50 %. less than 50 %. 100 %. 50 % - 100 %. 50 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which of the circuits power factor can be zero? resistive. inductive. capacitive. both ‘a’ and ‘b’ resistive. inductive. capacitive. both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The power dissipated in a pure capacitor is both (B) and (C) above. proportional to applied voltage. proportional to the value of capacitance. zero. both (B) and (C) above. proportional to applied voltage. proportional to the value of capacitance. zero. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 5 V. 7 V. 4.123 V. {3 + 2(1.141)} V. 5 V. 7 V. 4.123 V. {3 + 2(1.141)} V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Open circuit voltage of a fully charged lead acid cell is 1.9 V. 2 V. 2.7 V. 2.5 V. 1.9 V. 2 V. 2.7 V. 2.5 V. ANSWER DOWNLOAD EXAMIANS APP