A. Joule effect
B. Joule Thomsons effect
C. Comptons effect
D. Feed back effect
Related Mcqs:
- The value of the steady current which when flowing through the same resistor produces heat at the same rate as the mean rate of heat produced by the alternating current is__________________?
A. Average current
B. Sinusoidal current
C. r.m.s current
D. Net current - The current through a metallic conductor is due to the motion of _________________?
A. free electrons
B. protons
C. neutrons
D. still under controversy - A current carrying conductor is placed in a uniform magnetic field parallel to it. The magnetic force experienced by the conductor is _____________________?
A. F=1/B
B. F=1/Bsinθ
C. F/0
D. F=1/Bcosθ - Electric current in a solid metal conductor is caused by the movement of what ?
A. Protons
B. Electrons
C. Metal atoms
D. Metal ionsSubmitted by: Ahmed Khan
- Forward current through a semi conductor diode circuit is due to____________?
A. minority carriers
B. majority carriers
C. holes
D. electron - If 1 ampere current flows through 2m long conductor the charge flow through it in 1 hour will be_______________?
A. 3600C
B. 7200C
C. 1C
D. 2C - An ammeter measures the total current flowing through a circuit when it is connected__________________?
A. in series with the circuit
B. in parallel with circuit
C. in series with any of the parallel resistances in the circuit
D. in parallel with any of the series resistances in the circuit - Resistance of a conductor depends upon_________________?
A. nature of conductor
B. dimension of conductor
C. physical state of the conductor
D. all of above - Resistance of a super conductor is ______________________?
A. finite
B. infinite
C. zero
D. changes with every conductor - The resistance of a conductor at absolute zero (OK) is________________?
A. zero almost
B. infinite almost
C. no prediction at all
D. may increase or decrease
