Why ideally the internal resistance of voltmeter should be infinite and of an ammeter be zero
- 2 Answers
- 2499 Views
- I also Faced
- E-Mail Answers
Answer Posted / prathiba
I think that for an ideal ammeter resistance value is zero.
From ohms law ,V=IR=>I=VR.since R=0,so current is infinity.
Similarly for ideal voltmeter their is no voltage drop across it,so voltage is zero.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
DG SET BLOCK DIGRAM
what happened when we supply a dc current in dc motor?? can it worked properly?
HOW TO DESIGN THE body EARTH cable(Copper Conductor) size for 60KVA UPS?
how freewheeling diode improves the powerfactor
distribution is maximum done by a)radial b)network c) parallel d)b & c
what is the use of current transformer in power transformer secondary side.?its connectyed in WTI
How do you determine the size of transformer radiators in a transformer?
Why have to use copper cable for local isolator to motor ?
8. A DYNAMOMETER TYPE WATTMETER RESPONDS TO THE.......
Which types of gate insttaled in static switch. Please give me answer.
What kind of socket shall be provided for window type air conditioner with cooling capacity upto 18000 BTU/hr
what is the safety points of vaccum circuit breaker.
clarify types of motor operated valves and advantages
i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?
what is the value of combined earthing in general electrical circiut?
