1) Doubling the voltage source connected to a resistor a) decreases the current passing through the resistor in half b) decreases the current passing through the resistor to zero c) doubles the current passing through the resistor d) quadruples the current passing through the resistor

University Physics Volume 2
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Chapter10: Direct-current Circuits
Section: Chapter Questions
Problem 88CP: Some camera flashes use flash tubes that requite a high voltage. They obtain a high voltage by...
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1) Doubling the voltage source connected to a resistor

a) decreases the current passing through the resistor in half
b) decreases the current passing through the resistor to zero
c) doubles the current passing through the resistor
d) quadruples the current passing through the resistor

2) As soon as a capacitor is connected to a voltage source, the
a) capacitor discharges leading to an increase of charge in the plates
b) capacitor charges leading to a decrease of charge in the plates
c) capacitor discharges leading to a decrease of charge in the plates
d) capacitor charges leading to an increase of charge in the plates

3) The top plate of a capacitor is connected to the positive terminal of a battery while the lower plate is connected to the negative terminal. The electric field points
a) from top plate to bottom plate
b) from bottom plate to top plate
c) from the left side to the right side of the plates
d) from the right side to the left side of the plates

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