A voltmeter always gives lower value of potential difference because______
A. some energy is lost in moving the needle
B. it takes current for its own deflection
C. it absorbs some ener8y
D. both 'a' and ' b
Answer:B
A voltmeter always gives lower value of potential difference because______
A. some energy is lost in moving the needle B. it takes current for its own deflection C. it absorbs some ener8y D. both 'a' and ' b