Electric Circuits In series RLC circuit to get Q>1, which of the following is required? XL = R XL < R All of these XL > R XL = R XL < R All of these XL > R ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is 250 √3 V. 250 / √3 V. 200 V. 250 V. 250 √3 V. 250 / √3 V. 200 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor in a circuit became hot and ultimately exploded due to wrong connection, which type of capacitor it could be? Any of above. Paper capacitor. Ceramic capacitor. Electrolytic capacitor. Any of above. Paper capacitor. Ceramic capacitor. Electrolytic capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances? 3 Ω and 6 Ω. 3 Ω and 9 Ω. 6 Ω and 9 Ω. 1.5 Ω and 3 Ω. 3 Ω and 6 Ω. 3 Ω and 9 Ω. 6 Ω and 9 Ω. 1.5 Ω and 3 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In delta connected circuit when one resistor is open, then power will be 0. remain unchanged. increased by factor of 3. reduced by the factor of 3. 0. remain unchanged. increased by factor of 3. reduced by the factor of 3. ANSWER DOWNLOAD EXAMIANS APP
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
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