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A weak current can be detected by replacing an electric bulb in an electric tester with (a) a coil wound over a compass needle (b) none of these (c) LED (d) Both (a) and (b) ​

A weak current can be detected by replacing an electric bulb in an electric tester with (a) a coil wound over a compass needle (b) none of these (c) LED (d) Both (a) and (b) ​
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A weak current can be detected by replacing an electric bulb in an electric tester with

(a) a coil wound over a compass needle
(b) none of these
(c) LED
(d) Both (a) and (b)
​

User Senola
by
8.7k points

1 Answer

7 votes

Answer:

I believe it is B

Step-by-step explanation:

User HarveyBrCo
by
8.7k points
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