ExamPlay Light Logo
Iniciar sesión

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\(\Omega\)

Comentarios (0)

Inicia sesión para comentar
Anuncio
BrainBehindX Inc Logo
©2026; Desarrollado por BrainBehindX Inc