Electric Circuits Three resistances have the following ratings 150 Ω at 5 %, 100 Ω at 5 % and 200 Ω at 5 % respectively. The percentage error when all the three are connected in series will be + 6 %. + 5 %. + 8 %. + 7 %. + 6 %. + 5 %. + 8 %. + 7 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electrolyte for silver plating is any of above. dilute sulphuric acid. double cyanide of silver and potassium solution. potassium nitrate solution. any of above. dilute sulphuric acid. double cyanide of silver and potassium solution. potassium nitrate solution. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 1 Hz. 100 Hz. 10 Hz. 1000 Hz. 1 Hz. 100 Hz. 10 Hz. 1000 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A ceramic and a mica capacitor have the same physical dimension. Which has the higher value of capacitance? Ceramic capacitor. Both have identical value of capacitor. It is impossible to conclude on the basis of information supplied. Mica capacitor. Ceramic capacitor. Both have identical value of capacitor. It is impossible to conclude on the basis of information supplied. Mica capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is referred as the average value in AC opearation? Average of all values of the (+)ve and (-)ve half. Average of all values of an alternating quantity. Average of all values of an alternating quantity over a complete cycle. Average of all values of the phase sequences. Average of all values of the (+)ve and (-)ve half. Average of all values of an alternating quantity. Average of all values of an alternating quantity over a complete cycle. Average of all values of the phase sequences. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of sinusoidal voltage wave V = 200sinω0t 100 V. 200 V. 200√2 V. 100√2 V. 100 V. 200 V. 200√2 V. 100√2 V. ANSWER DOWNLOAD EXAMIANS APP
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