Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 5 V. 7 V. {3 + 2(1.141)} V. 4.123 V. 5 V. 7 V. {3 + 2(1.141)} V. 4.123 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Whenever current is supplied by a source its terminal voltage increases. remains constant. decreases. increases exponentially. increases. remains constant. decreases. increases exponentially. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Types of rotating machines both B and C. synchronous machine. transformer. IM. both B and C. synchronous machine. transformer. IM. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? short circuit. dielectric losses decreases. dielectric losses increases. open circuit. short circuit. dielectric losses decreases. dielectric losses increases. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant voltage source has low internal resistance. high internal resistance. minimum current capacity. minimum efficiency. low internal resistance. high internal resistance. minimum current capacity. minimum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which battery is used in aeroplanes? None of them. Edission cell. Dry cell battery. Lead acid battery. None of them. Edission cell. Dry cell battery. Lead acid battery. ANSWER DOWNLOAD EXAMIANS APP
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