A capacitor C is connected in series with a resistor R across a battery and an open switch. If a second capacitor of capacitance 2C is connected in parallel to the first, the time constant of the new RC circuit will be the same as before. one-fourth as large as before.
A capacitor C is connected in series with a resistor R across a battery and an open switch. If a second capacitor of capacitance 2C is connected in parallel to the first, the time constant of the new RC circuit will be the same as before. one-fourth as large as before.
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Transcribed Image Text:A capacitor C is connected in series with a resistor R across a battery and an open
switch. If a second capacitor of capacitance 2C is connected in parallel to the first,
the time constant of the new RC circuit will be
the same as before.
one-fourth as large as before.
three times as large as before.
twice as large as before.
one-third as large as before.
Transcribed Image Text:Four unequal resistors are connected in a series circuit. Which one of the following
statements is correct about this circuit?
The total resistance is less than the largest resistor.
The total resistance is less than the smallest resistor.
The total resistance is more than the largest resistor.
The total resistance is equal to any one of the resistors.
The total resistance is equal to average of the four resistors.
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