Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when None of these R < r. R = r. R > r. None of these R < r. R = r. R > r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit? 1 μsec 2 msec 2 μsec 4 msec 1 μsec 2 msec 2 μsec 4 msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to Q2 × d. Q / d2. Q2 / d. Q × d. Q2 × d. Q / d2. Q2 / d. Q × d. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is constant, then shape of the current locus is straight line. circle. semi circle. triangle. straight line. circle. semi circle. triangle. 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? None of them. 36.6 pF. 30 pF. 32 pF. None of them. 36.6 pF. 30 pF. 32 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current in a chemical cell is a movement of positive hole charges. positive ions only. negative ions only. positive and negative ions. positive hole charges. positive ions only. negative ions only. positive and negative ions. ANSWER DOWNLOAD EXAMIANS APP
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