Electric Circuits Resistance of which material does not change with change in temperature? Metal alloys constantan and manganin. Platinum. Brass. Tungsten. Metal alloys constantan and manganin. Platinum. Brass. Tungsten. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Absolute permittivity of dielectric medium is represented as εr ε0 εr/ε0 εrε0 εr ε0 εr/ε0 εrε0 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 400 Ohms. 50 Ohms. 200 Ohms. 100 Ohms. 400 Ohms. 50 Ohms. 200 Ohms. 100 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The life of a lead acid battery is expected to be 6 months. 2 to 5 years. 1 year. 10 to 15 years. 6 months. 2 to 5 years. 1 year. 10 to 15 years. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current 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. leads the emf by - 90o. lags the emf by 90o. is in phase with emf. 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 voltage. zero current for a finite value of driving current. 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 voltage. zero current for a finite value of driving current. zero voltage for a finite value of driving current. ANSWER DOWNLOAD EXAMIANS APP
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