Electric Circuits The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is 10 3 μF. 10 6 μF. 10- 3 μF. 10- 6 μF. 10 3 μF. 10 6 μF. 10- 3 μF. 10- 6 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 7 V. 5 V. 4.123 V. {3 + 2(1.141)} V. 7 V. 5 V. 4.123 V. {3 + 2(1.141)} V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases the current decreases abruptly. the current remain unaltered. the current increases. the current decreases. the current decreases abruptly. the current remain unaltered. the current increases. the current decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current source has internal impedance connected in parallel with it whereas voltage source has internal impedance connected in __________________ with it. none of them series parallel both of above none of them series parallel both of above ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When water is added to sulphuric acid colour of acid changes. acid particles get separated. water start boiling. lot of heat is generated. colour of acid changes. acid particles get separated. water start boiling. lot of heat is generated. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The electron is lighter than a proton by a factor of about 18400. 18.4. 1840. 184. 18400. 18.4. 1840. 184. ANSWER DOWNLOAD EXAMIANS APP
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