why battery dc voltage become Half when we check with
respect to ground for example 120volts + and - terminals
and when we check + terminal with Earth thats 60volts why
60volts we can not ground the battery.
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The midpoint of rectifier transformer secondary is
earthed.The potential of ground is taken as +/- 0.The
voltage measured between any terminal wrt ground will be +/-
half the full voltage.This method is helpful to trace a
single polarity and for earth fault locator.
| Is This Answer Correct ? | 6 Yes | 3 No |
Answer / sarvesh kotiyal
Because your Ground is not connected with V-(V- which is taken as reference point). when you check Voltage respect to ground that time you should also check the resistance between V+ to E & V -E which is equal(the Value which is higher than 10 mega ohm ).
Simple apply voltage Divider & you will get half Voltage
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / koti
The value shown is a capacitive value i.e it is due to capcitance effect wyou are getting some value. If you put a lamp it will not glow.
| Is This Answer Correct ? | 2 Yes | 2 No |
The above answer is correct.If you use an earth fault
indicator ,you are able to measure voltages. And if you run
both leads along the ground or a metal surface ,you can
measure voltages with a digital voltmeter ,as the
capacitances between the leads and the surface/ground, bring
the surface/ground to +or- zero potential.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / sarvesh kotiyal
the resistance between the supply and ground is very high(1-5gohm). so Ideally it should not show any voltage but Internal Input resistance of multimeter approx 10 Mohm for Voltage measurement which is almost a short circuit in comparison to earth .so when you check voltage with respect to earth
V + to E = 24 * 10/10+10 = 12 V.
| Is This Answer Correct ? | 2 Yes | 2 No |
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