Current Electricity Resistance of a carbon filament lamp _______ as the applied voltage increases. Decreases None of the listed here Remains same Increases Decreases None of the listed here Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. Varistors Semiconductors Variable resistors Thermistor Varistors Semiconductors Variable resistors Thermistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The specific resistance of a metallic conductor ______ with rise in temperature. Increases Decreases None of the listed here Remains unchanged Increases Decreases None of the listed here Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The filament of electrical bulb is made of Steel Nickel Aluminium Tungsten Steel Nickel Aluminium Tungsten ANSWER DOWNLOAD EXAMIANS APP
Current Electricity If an electric current is passed through a nerve, the man Begins to laugh Is excited Becomes insensitive to pain Begins to weep Begins to laugh Is excited Becomes insensitive to pain Begins to weep ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Zinc Copper Mercury Lead Zinc Copper Mercury Lead ANSWER DOWNLOAD EXAMIANS APP
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