Discussion
The input impedance of a digital voltmeter is high, typically ten megohms, so that
Answer: C
A source of appreciable internal resistance would be loaded by a low impedance instrument and its voltage would fall, so the reading would be low. Ten megohms loads all but the most delicate sources negligibly, and the very best instruments offer more still.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development