Electric Circuits When AC flows through a pure capacitance then the current leads the emf by - 90o. lags the emf by 90o. is in phase with emf. leads the emf by 90o. leads the emf by - 90o. lags the emf by 90o. is in phase with emf. leads the emf by 90o. 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? 32 pF. 30 pF. 36.6 pF. None of them. 32 pF. 30 pF. 36.6 pF. None of them. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Equal to resonance frequency Zero frequency Less than resonance frequency Greater than resonance frequency Equal to resonance frequency Zero frequency Less than resonance frequency Greater than resonance frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC series circuit, at resonance condition the value of current is None of these Maximum Zero Minimum None of these Maximum Zero Minimum ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In active filter which element is absent? Both of above. Inductor. Capacitor. Resistor. Both of above. Inductor. Capacitor. Resistor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RL series circuit R=2Ω and L=10mH and applied voltage is 10V DC. Then find the current in the network? 5A 10A 1A 0A 5A 10A 1A 0A ANSWER DOWNLOAD EXAMIANS APP
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