Current Electricity If the number of valence electrons of an atoms is less than 4,the substance is usually A semiconductor A conductor None of the listed here An insulator A semiconductor A conductor None of the listed here An insulator ANSWER DOWNLOAD EXAMIANS APP
Current Electricity In which of the following substances the resistance decreases with increase in temperature? Carbon Constantan Copper Silver Carbon Constantan Copper Silver 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 Reactor Resistor Inductor Capacitor Reactor Resistor ANSWER DOWNLOAD EXAMIANS APP
Current Electricity The minimum charge on an ion is Equal to the charge of the number of electrons in an atom (#) zero None of these Equal to the atomic number of the atom Equal to the charge of an electron Equal to the charge of the number of electrons in an atom (#) zero None of these Equal to the atomic number of the atom Equal to the charge of an electron ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Resistance of a tungsten lamp _____ as applied voltage increases. Decreases Increases Remains same None of the listed here Decreases Increases Remains same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Current Electricity An electrical lamp coonsumes 100 W of power. If the supply voltage is 220 V the energy consumed in 30 minutes is 0.05 kWh 0.005 kWh 5 kWh 5 kWh 0.05 kWh 0.005 kWh 5 kWh 5 kWh ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS