Author Question: The resistance of a filament that carries 2 A when a 10-V potential difference across it is A) 2 ... (Read 76 times)

bobbysung · **on:** Jul 29, 2018

The resistance of a filament that carries 2 A when a 10-V potential difference across it is

A) 2 ohms.
B) 5 ohms.
C) 10 ohms.
D) 20 ohms.
E) more than 20 ohms.

Question 2

If an electric toaster rated at 110 V is accidently plugged into a 220-V outlet, the current drawn by the toaster will be

A) half its normal value.
B) the same as its normal value.
C) twice its normal value.
D) none of the above