Electric Circuits A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star? 3∠30o Ω. None of these 30∠30o Ω. 27∠30o Ω 3∠30o Ω. None of these 30∠30o Ω. 27∠30o Ω ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current leads the emf by 90o. leads the emf by - 90o. is in phase with emf. lags the emf by 90o. leads the emf by 90o. leads the emf by - 90o. is in phase with emf. lags the emf by 90o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect three in parallel. two in parallel. two in parallel and one in series. three in series. three in parallel. two in parallel. two in parallel and one in series. three in series. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit contains two unequal resistor in parallel heat losses in both are same. voltage drops are according to their resistive value. voltage drops across both are same. currents in both are same. heat losses in both are same. voltage drops are according to their resistive value. voltage drops across both are same. currents in both are same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In steady state condition capacitor acts as a current source short circuit voltage source open circuit current source short circuit voltage source open circuit ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If N is the number of nodes and b is the number of branches in a network, then rank of tie set matrix is b - N + 1. N - 1. N. b - N - 1. b - N + 1. N - 1. N. b - N - 1. ANSWER DOWNLOAD EXAMIANS APP
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