A 330 pF capacitor and a 220 pF capacitor are each connected across a 6 V dc source. The voltage across the 330 pF capacitor is
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Electrical Engineering · all questionsCapacitors
Capacitors
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What is the capacitance when Q = 60 µC and V = 12 V?
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Voltage leads current by 90° in a capacitor.
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Five time constants are required for a capacitor to charge fully or discharge fully.
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A capacitor of 2,000 pF is greater than
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A capacitor of 0.02 µF is larger than
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The true power in a capacitor is zero.
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A capacitor blocks A.C. but passes D.C.
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Two 0.68 µF capacitors are connected in series across a 10 kHz sine wave signal source. The total capacitive reactance is
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A 0.47 µF capacitor is across a 2 kHz sine wave signal source. The capacitive reactance is
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A 12 kHz voltage is applied to a 0.33 µF capacitor, and 200 mA of rms current is measured. What is the value of the voltage?
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When the plate area of a capacitor increases,
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A 2 µF, a 4 µF, and a 10 µF capacitor are connected in series. The total capacitance is less than
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Which of the following capacitors is polarized?
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A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current
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When the voltage across a capacitor is tripled, the stored charge
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Of the following capacitors, which one has the highest dielectric constant?
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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
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The dielectric constant is the ability of a material to establish an electric field.
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A 0.01 µF capacitor equals how many picofarads?
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