Electric Circuits Power factor can be defined as sine of voltage and current. both option B and C. ratio of resistance versus impedance. cosine of angle between voltage and current. sine of voltage and current. both option B and C. ratio of resistance versus impedance. cosine of angle between voltage and current. ANSWER DOWNLOAD EXAMIANS APP
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 + 5 %. + 7 %. + 8 %. + 6 %. + 5 %. + 7 %. + 8 %. + 6 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the figure, the potential difference between points P and Q is - 6 V. 6 V. 10 V. 12 V. - 6 V. 6 V. 10 V. 12 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In balanced bridge, if the positions of detector and source are interchanged, the bridge will still remain balanced. This can be explained from which theoem Thevinin's theorem Norton's theorem Reciprocity theorem Compensation theorem Thevinin's theorem Norton's theorem Reciprocity theorem Compensation theorem 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 initially. when capacitor is almost 25% charged. when capacitor is half charged. when capacitor is fully charged. initially. when capacitor is almost 25% charged. when capacitor is half charged. when capacitor is fully charged. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Atoms with fewer than 4 valence electrons are insulator. none of these. semi-conductor. conductor. insulator. none of these. semi-conductor. conductor. ANSWER DOWNLOAD EXAMIANS APP
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