Physics
WAEC 1990
What is the value of R when G shows no deflection in the circuit illustrated above?
-
A.
80Ω
-
B.
75Ω
-
C.
45Ω
-
D.
20Ω
-
E.
10Ω
Correct Answer: Option D
Explanation
R/30 = 100/150R = 20Ω
Report an Error
Ask A Question
Download App
Quick Questions
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}