Current Electricity The filament of electrical bulb is made of Steel Tungsten Aluminium Nickel Steel Tungsten Aluminium Nickel 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 100 W lamp will glow brighter 40 W lamp will glow brighter Both lamps will glow equally bright 40 W lamp will fuse 100 W lamp will glow brighter 40 W lamp will glow brighter Both lamps will glow equally bright 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. Inductor Capacitor Resistor Reactor Inductor Capacitor Resistor Reactor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually None of the listed here An insulator A semiconductor A conductor None of the listed here An insulator A semiconductor A conductor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The resistance of two wires is 25 Ω when connected in series and 6 Ω when joined in parallel. The resistance of each wire is 20 Ω, 30 Ω 10 Ω, 15 Ω 5 Ω, 10 Ω 10 Ω, 20 Ω 20 Ω, 30 Ω 10 Ω, 15 Ω 5 Ω, 10 Ω 10 Ω, 20 Ω ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. Increases None of the listed here Decreases Remains same Increases None of the listed here Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
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