Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct? 100 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 40 W lamp will glow brighter 100 W lamp will glow brighter 40 W lamp will fuse Both lamps will glow equally bright 40 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains Length of heating element should be increased Length of heating element should be decreased Length of heating element has no effect on heating if water None of these Length of heating element should be increased Length of heating element should be decreased Length of heating element has no effect on heating if water None of these ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Reactor Resistor Inductor Capacitor Reactor Resistor Inductor Capacitor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The rating of a fuse wire is always expressed in Amperes kWh Ampere-volts Ampere-hours Amperes kWh Ampere-volts Ampere-hours ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Semiconductors have _______temperature co-efficient of resistance. Negative Positive None of the listed here Zero Negative Positive None of the listed here Zero ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Nichrome wire is an alloy of Lead and zinc Copper and silver Nickel and chromium Chromium and vanadium Lead and zinc Copper and silver Nickel and chromium Chromium and vanadium ANSWER DOWNLOAD EXAMIANS APP
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