Current Electricity Resistance of 220 V, 100 W lamp will be 48.4 Q 4.84 Q 484 ft 4840 Q 48.4 Q 4.84 Q 484 ft 4840 Q ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In the case of direct current Magnitude of current changes with time Magnitude and direction of current changes with time Magnitude of current remains constant Magnitude and direction of current remains constant Magnitude of current changes with time Magnitude and direction of current changes with time Magnitude of current remains constant Magnitude and direction of current remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? Both lamps will glow equally bright 40 W lamp will glow brighter 40 W lamp will fuse 100 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will glow brighter 40 W lamp will fuse 100 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following statement is true both for a series and a parallel D.C. circuit? Elements have individual currents Currents are additive Voltages are additive Power are additive Elements have individual currents Currents are additive Voltages are additive Power are additive ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a few meters of wire conductor in closed electrical circuit is Very high Practically zero High Low Very high Practically zero High Low ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Lead Zinc Mercury Copper Lead Zinc Mercury Copper ANSWER DOWNLOAD EXAMIANS APP