Physics > 2015 > 45
WASSCE
When current flows through a moving-coil galvanometer, the force exerted on the pointer depends on the
I. strength of the current
II. magnetic field strength
III. length of the soil.
Which of the statement(s) is/are correct?
I. strength of the current
II. magnetic field strength
III. length of the soil.
Which of the statement(s) is/are correct?
A.
I only
B.
II only
C.
I and III only
D.
I, II and III
Answer: D
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