A. any electron from the orbit
B. first electron from the orbit
C. second electron from the orbit
D. third electron from the orbit
Related Mcqs:
- Which of the followings is/are active element?
A. Voltage source
B. Current source
C. Both
D. None of these. - Capacitor does not allow the sudden change of ?
A. current
B. voltage
C. power
D. None of the above - Which of the following quantities consists of SI unit as WATT ?
A. Force
B. Charge
C. Current
D. Power - The property of a conductor due to which it passes current is called___________?
A. resistance
B. reluctance
C. conductance
D. inductance - Which of the following material has nearly zero temperature co-efficient of resistance_________?
A. Manganin
B. Porcelain
C. Carbon
D. Copper - The filament of an electric bulb is made of______________?
A. carbon
B. aluminium
C. tungsten
D. nickel - If the efficiency of a machine is to be high, what should be low __________?
A. Input power
B. Losses
C. True component of power
D. kWh consumed
E. Ratio of output to input - Copper wire of certain length and resistance is drawn out to three times its length without change in volume, the new resistance of wire becomes__________?
A. 1/9 times
B. 3 times
C. 9 times
D. unchanged - The condition for the validity under Ohm’s law is that_______________?
A. resistance must be uniform
B. current should be proportional to the size of the resistance
C. resistance must be wire wound type
D. temperature at positive end should be more than the temperature at negative end - Voltage dependent resistors are usually made from________________?
A. Charcoal
B. Silicon Carbide
C. Nichrome
D. Graphite