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Question

The current inside a copper voltameter
  1. is half the outside value.
  2. is the same as the outside value.
  3. is twice the outside value.
  4. depends on the concentration of CuSO4

A
is the same as the outside value.
B
is twice the outside value.
C
depends on the concentration of CuSO4
D
is half the outside value.
Solution
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The current inside a copper voltameter is the same as the outside value.An electric current is a flow of electric charge. In electric circuits this charge is often carried by moving electrons in a wire. It can also be carried by ions in an electrolyte, or by both ions and electrons such as in an ionised gas (plasma).Electric current is measured using a device called an ammeter.

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