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 0.064 Ω. 0.128 Ω. 0.016 Ω. 0.032 Ω. 0.064 Ω. 0.128 Ω. 0.016 Ω. 0.032 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 200 Ohms. 100 Ohms. 400 Ohms. 50 Ohms. 200 Ohms. 100 Ohms. 400 Ohms. 50 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is doubled. remain same. halved. increase by two times. doubled. remain same. halved. increase by two times. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is form factor? Average value / Peak value. R.M.S. value / Average value. Average value / R.M.S. value. Instantaneous value / Average value. Average value / Peak value. R.M.S. value / Average value. Average value / R.M.S. value. Instantaneous value / Average value. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Fall time is the time required for a pulse to decrease from 90 to ________% if its maximum values 5 10 15 20 5 10 15 20 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called the frequency in AC operation? No. of wave made per second. No. of (-) ve quadrature made per second. No. of cycles made per second. No. of (+) ve quadrature made per second. No. of wave made per second. No. of (-) ve quadrature made per second. No. of cycles made per second. No. of (+) ve quadrature made per second. ANSWER DOWNLOAD EXAMIANS APP
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