Current Electricity Voltage dependent resistors are used For inductive circuits As heating elements As current stabilizers To suppress surges For inductive circuits As heating elements As current stabilizers To suppress surges 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 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 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 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 Length of heating element should be increased Length of heating element should be decreased ANSWER DOWNLOAD EXAMIANS APP
Current Electricity With rise in temperature the resistance of pure metals First increases and then decreases Decreases Increases Remains constant First increases and then decreases Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Varistors are Non-linear resistors Insulators Carbon resistors Resistor with zero temperature co-efficient Non-linear resistors Insulators Carbon resistors Resistor with zero temperature co-efficient ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is Equal to the charge of an electron None of these Equal to the atomic number of the atom Equal to the charge of the number of electrons in an atom (#) zero Equal to the charge of an electron None of these Equal to the atomic number of the atom Equal to the charge of the number of electrons in an atom (#) zero ANSWER DOWNLOAD EXAMIANS APP
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