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denis23 [38]
3 years ago
5

Assume that a resistor is connected between the 150 V terminal and the common terminal. The voltmeter is then connected to an un

known voltage using the common terminal and the 300 V terminal. The voltmeter reads 288 V.What is the unknown voltage
Physics
1 answer:
Lena [83]3 years ago
7 0

Answer: 316.8V

Explanation:

given data:

metre moving current = 0.96mA

meters voltage = 288V

or  0.96*300V = 288V

<u><em>Solution:</em></u>

<u><em /></u>v1 = (0.96mA*150)<u><em /></u>

<u><em /></u>= 144V<u><em /></u>

<u><em /></u>

i1 = \frac{144v}{750}

= 0.192mA

i2 = imovement + i1

i2= 0.96mA+0.192mA

= 1.152mA

Vmeasured = 144V+(150)(1.152mA)

=316.8V

the unknown voltage is 316.8V

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