Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R < r. R = r. None of these R > r. R < r. R = r. None of these R > r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If L and C both are doubled than damping in above circuit will be remains same. halved as compared to previous one. None of these doubled as compared to previous one. remains same. halved as compared to previous one. None of these doubled as compared to previous one. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RL series circuit R=2Ω and L=2mH. What is the value of time constant? 4msec 100sec 1msec 2msec 4msec 100sec 1msec 2msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the figure, the potential difference between points P and Q is 12 V. 10 V. - 6 V. 6 V. 12 V. 10 V. - 6 V. 6 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Fillers in a lead acid battery are provided to prevent flow of gases. to facilitate flow of gases. all of above. to recover acid loss through vapours. to prevent flow of gases. to facilitate flow of gases. all of above. to recover acid loss through vapours. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the dielectric of a capacitor is replaced by conducting material the capacitance value of the plate will decrease. the plate will get short circuited. the capacitor will get heated up due to eddy currents. the capacitor can store infinite charge. the capacitance value of the plate will decrease. the plate will get short circuited. the capacitor will get heated up due to eddy currents. the capacitor can store infinite charge. ANSWER DOWNLOAD EXAMIANS APP
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