Related Questions

While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is
A Short-circuited
B Open circuited
C Alright
D Leaky
একটি 4.5 μF এর ধারককে 12.0 V এর ব্যাটারীর সাথে সংযুক্ত করা হলো। ধারকটিতে সঞ্চিত শক্তির পরিমাণ কত? (A 12.0 V battery is connected to a 4.5 μF capacitor. How much energy is stored in the capacitor?)
A 1.24 ×10-4J
B 2.24 ×10-4J
C 3.24 ×10-4J
D 4.24 ×10-4J
The purpose of emitter capacitor (i.e. capacitor across RE) is to ___________
A Avoid voltage gain drop
B Forward bias the emitter
C Reduce noise in the amplifier
D None of the above
A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current
A Increases
B Remains constant
C Decreases
D Ceases
In a capacitor the electric charge is stored in
A metal plates
B dielectric
C both (A) and (B)
D none of the above
At series resonance, voltage across L is ___________ voltage across C
A Equal to but opposite in phase to
B Equal to but in phase with
C Greater than but in phase with
D Less than but in phase with
In an RC integrating circuit, the output voltage is taken across the capacitor.
A True
B False
A capacitor and a resistor are connected in series to a sine wave generator. The frequency is set so that the capacitive reactance is equal to the resistance and, thus, an equal amount of voltage appears across each component. If the frequency is increased
A VR > VC
B VC > VR
C VR = VC
D VR and VC = 0
is that property of a capacitor which delays any change of voltage across it.
A Inductance
B Capacitance
C Potential gradient
D None of the above
In a two value capacitor motor, the capacitor used for running purposes is
A air capacitor
B paper spaced oil filled type
C ceramic type
D a.c. electrolytic type

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