Electric Circuits Total instantaneous power supplied by a 3 - φ AC supply to a balanced RL load is zero. pulsating with zero average. pulsating with non zero average. constant. zero. pulsating with zero average. pulsating with non zero average. constant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is not equivalent to watts? Ampere2 – Ohm. Joules per second. Amperes/volt. Ampere-volts. Ampere2 – Ohm. Joules per second. Amperes/volt. Ampere-volts. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which property is used to oppose the flow of current ? Capacitance Poteintial difference Resistance Inductance Capacitance Poteintial difference Resistance Inductance ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A variable capacitance is one whose capacitance changes with time. changes with temperature. changes with voltage. can be changed manually or by mechanical force. changes with time. changes with temperature. changes with voltage. can be changed manually or by mechanical force. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor has a capacitance of 6 μF. Calculate the stored energy in it if a DC voltage of 100 V, is applied across it? 6 × 102 joules. 3 × 102 joules. 4 × 102 joules. 2.5 × 102 joules. 6 × 102 joules. 3 × 102 joules. 4 × 102 joules. 2.5 × 102 joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor contain there dielectric layers of 1, 2 and 3 respectively and thickness of dielectric layers are 0.2 mm, 0.3 mm and 0.4 mm respectively. If area of plate is 20 cm2. What is the value of capacitance? 30 pF. None of them. 32 pF. 36.6 pF. 30 pF. None of them. 32 pF. 36.6 pF. ANSWER DOWNLOAD EXAMIANS APP
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