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 / d2. Q × d. Q2 / d. Q2 × d. Q / d2. Q × d. Q2 / d. Q2 × d. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases? VL and VR. VL and Z. VR and I. Z and I. VL and VR. VL and Z. VR and I. Z and I. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is 1/4. 4. 16. 1. 1/4. 4. 16. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to 144 AT / m. 72 AT / m. 222 AT / m. 196 AT / m. 144 AT / m. 72 AT / m. 222 AT / m. 196 AT / m. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. zero, zero infinite, zero infinite, infinite zero, infinite zero, zero infinite, zero infinite, infinite zero, infinite ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance n2R. n2 / R. nR . R / n2. n2R. n2 / R. nR . R / n2. ANSWER DOWNLOAD EXAMIANS APP
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