A. Increases
B. Decreases
C. Remains same
D. No effect
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Related Mcqs:
- When a pure inductor of inductance L and a pure capacitor of capacitance C are connected in parallel to a sinusoidal potential difference V the potential difference across both L & C will be_______________?
A. Same
B. Different
C. At L will be more than at C
D. At L will be less than at C - Forward current through a semi conductor diode circuit is due to____________?
A. minority carriers
B. majority carriers
C. holes
D. electron - Circuit which gives continuously varying potential is called _______________________?
A. complex network
B. wheat stone bridge
C. potential divider
D. all of above - In the following figure, the terminal potential is ___________________ ?
A. zero
B. 2V
C. 12V
D. 36V - n instrument which can measure potential without drawing any current is_____________________?
AA. voltmeter
B. galvanometer
C. cathode ray oscilloscope (CRO)
D. ammeter - A moving coil galvanometer of resistance 100? gives half scale deflection for a current of 20mA. What will be the potential difference across it ?
A. 4 volt
B. 5 volt
C. 2 volt
D. 0.4 volt - A capacitor of capacitance 30µF is charged by a constant current of 10mA. If initially, the capacitor was uncharged what is the time taken for the potential difference across the capacitor to reach 300V ?
A. 0.9sec
B. 15 sec
C. 1.5x105sec
D. 0.9x102sec - A 10Ω electric heater is connected to a 220V 50Hz mains supply. What is the peak value of the potential difference across the heater element ?
A. 220V
B. 220/ 2V
C. 110V
D. 220 √2V - In an X-ray tube electrons each of charge e are accelerated through V potential difference allowed to hit a metal target. The wavelength of the X-rays emitted is_______________?
A. he/ev
B. he/Vc
C. eV/h
D. impossible to predict - In bringing an electron towards the second electron, the electrostatic potential energy of the system
A. Decreases
B. increases
C. remains the same
D. becomes zeroSubmitted by: Tauseef Ali
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