Nichrome wire is an alloy of_____________?
Nichrome wire is an alloy of_____________?
A. lead and zinc
B. chromium and vanadium
C. nickel and chromium
D. copper and silver
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When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will___________?
When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will___________?
A. decrease
B. increase
C. remain constant
D. none of the aboveWhen one leg of parallel circuit is opened out the total current will______________?
When one leg of parallel circuit is opened out the total current will______________?
A. reduce
B. increase
C. decrease
D. become zeroIn the case of direct current____________?
In the case of direct current____________?
A. magnitude and direction of current remains constant
B. magnitude and direction of current changes with time
C. magnitude of current changes with time
D. magnitude of current remains constantThe minimum charge on an ion is______________?
The minimum charge on an ion is______________?
A. equal to the atomic number of the atom
B. equal to the charge of an electron
C. equal to the charge of the number of electrons in an atom (#) zeroThree 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open_________________?
Three 60 W bulbs are in parallel across the 60 V power line. If one bulb burns open_________________?
A. there will be heavy current in the main line
B. rest of the two bulbs will not light
C. all three bulbs will light
D. the other two bulbs will lightThe ratio of mass of proton to that of electron is nearly_____________?
The ratio of mass of proton to that of electron is nearly_____________?
A. 1840
B. 1840
C. 30
D. 4