Current Electricity Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current. Resistor Reactor Capacitor Inductor Resistor Reactor Capacitor Inductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Two lamps 100 W and 40 W are connected in series across 230 V. Which of the following statement is correct? 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 100 W lamp will glow brighter ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of a copper wire 200 m long is 21 ω. If its thickness (diameter) is 0.44 mm, its specific resistance is around 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m 1.6 x 10-8 ω-m 1.4 x 10-8 ω-m 1.8 x 10-8 ω-m 1.2 x 10-8 ω-m ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Insulators Carbon resistors Resistor with zero temperature co-efficient Non-linear resistors Insulators Carbon resistors Resistor with zero temperature co-efficient Non-linear resistors ANSWER DOWNLOAD EXAMIANS APP
Current Electricity It becomes more difficult to remove First electron from the orbit Third electron from the orbit Any electron from the orbit Second electron from the orbit First electron from the orbit Third electron from the orbit Any electron from the orbit Second electron from the orbit ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which method can be used for absolute measurement of resistances? Ohm's law method Lorentz method Releigh method Wheastone bridge method Ohm's law method Lorentz method Releigh method Wheastone bridge method ANSWER DOWNLOAD EXAMIANS APP
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