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 Q × d. Q / d2. Q2 × d. Q2 / d. Q × d. Q / d2. Q2 × d. Q2 / d. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the reactive power in AC operation? Apparent power × cosθ. Real power × sinθ. Apparent power × sinθ. Real power × cosθ. Apparent power × cosθ. Real power × sinθ. Apparent power × sinθ. Real power × cosθ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A pole of driving point impedance is zero voltage for a finite value of driving current. zero current for a finite value of driving voltage. zero voltage 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 current for a finite value of driving voltage. zero voltage for a finite value of driving voltage. zero current for a finite value of driving current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is almost 25% charged. when capacitor is half charged. initially. when capacitor is fully charged. when capacitor is almost 25% charged. when capacitor is half charged. initially. when capacitor is fully charged. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is 125 pF. 250 pF. 1000 pF. 500 pF. 125 pF. 250 pF. 1000 pF. 500 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the followings is the expression for energy stored in a capacitor? C dv / dt. Cv. C / v. (1 / 2) Cv2. C dv / dt. Cv. C / v. (1 / 2) Cv2. ANSWER DOWNLOAD EXAMIANS APP
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