ExamPlay Light Logo
Log Masuk

WAEC - Physics (2020 - No. 19)

A moving-coil galvanometer which gives a full-scale on deflection with 0.005A is converted to a voltmeter reading up to 5V using an external resistance of 975\(\Omega\). What is the resistance of the metre?
0.25\(\Omega\)
2.50\(\Omega\)
25.00\(\Omega\)
250.00\(\Omega\)

Komen (0)

Log Masuk Untuk Mengulas
Iklan
BrainBehindX Inc Logo
©2026; Dikuasakan Oleh BrainBehindX Inc