The energy stored in a capacitor when a voltage V is applied is U. When the voltage is doubled, the energy stored by the capacitor is: Question 1 options: U4 The energy stored by a capacitor does not depend on the applied voltage U2 4U 2U
The energy stored in a capacitor when a voltage V is applied is U. When the voltage is doubled, the energy stored by the capacitor is: Question 1 options: U4 The energy stored by a capacitor does not depend on the applied voltage U2 4U 2U
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Transcribed Image Text:Question 1
The energy stored in a capacitor when a voltage V is applied is U. When the voltage is
doubled, the energy stored by the capacitor is:
Question 1 options:
U4
The energy stored by a capacitor does not depend on the applied voltage
U2
4U
2U
Suppose you have two long parallel wires, the first with current i1-820 mA and the
second with i2=525 mA both going in the same direction. If the wires are 5.0 cm apart,
then what is the magnitude of the force per metre on wire 2 due to wire 1?
Question 2 options:
2.1x10-6 N/m
1.7x10-6 N/m
3.3x10-6 N/m
3.4x10-5 N/m
8.6x10-8 N/m
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