Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 4.123 V. 7 V. 5 V. {3 + 2(1.141)} V. 4.123 V. 7 V. 5 V. {3 + 2(1.141)} V. 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 current for a finite value of driving current. zero voltage for a finite value of driving voltage. zero voltage for a finite value of driving current. 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 voltage. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a pure inductor is connected across the ac source, the average power taken by the inductor is a few watt. maximum power. 100 watt. zero watt. a few watt. maximum power. 100 watt. zero watt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is apparent power in AC operation? Product of rms voltage and rms current. Product of voltage and current. Product of voltage and current at no load. Product of voltage and current at full load. Product of rms voltage and rms current. Product of voltage and current. Product of voltage and current at no load. Product of voltage and current at full load. ANSWER DOWNLOAD EXAMIANS APP
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 0.128 Ω. 0.064 Ω. 0.032 Ω. 0.016 Ω. 0.128 Ω. 0.064 Ω. 0.032 Ω. 0.016 Ω. 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 increase if frequency of voltage source increases? Z and I. VL and VR. VL and I. VL and Z. Z and I. VL and VR. VL and I. VL and Z. ANSWER DOWNLOAD EXAMIANS APP
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