Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C? 4.78 µF. 8.51 µF. 1.8 µF. 10.54 µF. 4.78 µF. 8.51 µF. 1.8 µF. 10.54 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If P is the power of a star connected system then what will be power of an equivalent delta connected system? None of these P/3 3P P None of these P/3 3P P ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following characteristics is/are attributed to an ideal independent voltage source? Independent of magnitude of current supplied.. Independent of the direction of flow of current. Independent of the magnitude of voltage supplied. both ‘b’ and ‘d’. Independent of magnitude of current supplied.. Independent of the direction of flow of current. Independent of the magnitude of voltage supplied. both ‘b’ and ‘d’. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be 3 A. 100 mA. 300 mA. 30 mA. 3 A. 100 mA. 300 mA. 30 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A pole of driving point impedance is zero voltage for a finite value of driving voltage. zero current for a finite value of driving current. zero current for a finite value of driving voltage. zero voltage for a finite value of driving current. zero voltage for a finite value of driving voltage. zero current for a finite value of driving current. zero current for a finite value of driving voltage. zero voltage for a finite value of driving current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which quantity should be measured by the voltmeter ? Current Power Voltage Speed Current Power Voltage Speed ANSWER DOWNLOAD EXAMIANS APP
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