Electric Circuits A cube of material of side 1 cm has a resistance of 0.002 Ω between its opposite faces. If the same volume of the material has a length of 4 cm and a uniform cross - section, the resistance of this length will be 0.032 Ω. 0.064 Ω. 0.016 Ω. 0.128 Ω. 0.032 Ω. 0.064 Ω. 0.016 Ω. 0.128 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitive circuit, the capacitive reactance is directly proportional to the square of frequency indirectly proportional to the square of frequency indirectly proportional to frequency directly proportional to frequency directly proportional to the square of frequency indirectly proportional to the square of frequency indirectly proportional to frequency directly proportional to frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is represented by the hypotenuse of impedance triangle? Reactance drop. Apparent power. Resistance drop. Impedance drop. Reactance drop. Apparent power. Resistance drop. Impedance drop. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current leads the emf by - 90o. is in phase with emf. lags the emf by 90o. leads the emf by 90o. leads the emf by - 90o. is in phase with emf. lags the emf by 90o. leads the emf by 90o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power 0 Hz. 150 Hz. 100 Hz. 50 Hz. 0 Hz. 150 Hz. 100 Hz. 50 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which resistor will be physically larger in size? 100 Ω, 10 W. 10 Ω, 50 W. 1 k Ω, 1 W. 1 M Ω, 1/2 W. 100 Ω, 10 W. 10 Ω, 50 W. 1 k Ω, 1 W. 1 M Ω, 1/2 W. ANSWER DOWNLOAD EXAMIANS APP