Electric Circuits If a function is shifted by 'T', then it is correctly represented as f (t-T) u (t-T). f (t) u (t-T). f (t-T) u (t). f (t) u (t). f (t-T) u (t-T). f (t) u (t-T). f (t-T) u (t). f (t) u (t). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C? 4.78 µF. 10.54 µF. 1.8 µF. 8.51 µF. 4.78 µF. 10.54 µF. 1.8 µF. 8.51 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which quantity should be measured by the voltmeter ? Current Speed Voltage Power Current Speed Voltage Power ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power 150 Hz. 50 Hz. 0 Hz. 100 Hz. 150 Hz. 50 Hz. 0 Hz. 100 Hz. 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 half charged. when capacitor is fully charged. when capacitor is almost 25% charged. initially. when capacitor is half charged. when capacitor is fully charged. when capacitor is almost 25% charged. initially. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is not equivalent to watts? Ampere2 – Ohm. Joules per second. Amperes/volt. Ampere-volts. Ampere2 – Ohm. Joules per second. Amperes/volt. Ampere-volts. ANSWER DOWNLOAD EXAMIANS APP
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