You are given 220 V supply source, four wires, an ammeter
and voltmeter. There is no any indication or description on
meters. How will you identify which is ammeter or voltmeter?
Answer Posted / muhammad jabir
connect both meter in series the one which show high reading
is volt meter other shows reading close to zero is ammeter
| Is This Answer Correct ? | 10 Yes | 8 No |
Post New Answer View All Answers
In parallel operation time both NGR’s close or not close if both close what will happen
what will happen when the dc supply is given to the capacitor?
Define branch?
What is the drawback of class b amplifier? How is this minimized?
what will happen if multimeter(selector switch at DC voltage) and terminal at current is connected to DC supply?
Can 4pole (3 phase+neautral )RCCB proper functioning in only 3 phase load (no neautral, no Earth) ?
What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?
how many parameters can integrate with fire alarm basically ?
What is lc oscillator?
what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????
Can any body tell me the different types of LT cables & their application.
explain wiring system
why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?
8. A DYNAMOMETER TYPE WATTMETER RESPONDS TO THE.......
During regenerative breaking= A rotating magnetic field is reversed B slip is positive C torque is positive D slip is negative