The gravitational constant G was first measured accurately by Henry Cavendish in 1798. He used an exquisitely sensitive balance
1 answer:
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Answer:
0.96 kWh
Explanation:
First of all, we can find the power of the appliance using the formula:
where
V = 120 V is the voltage of the source
I = 2 A is the current
Substituting,
Now we want to find the amount of energy used by the applied in a time of
t = 4 h
The amount of energy is given by
where
P = 0.24 kW
t = 4 g
Substituting,
Answer:
530.5 Hz
Explanation:
Given :
C=0.75 micro
L=120 mH
Reactance capacitor can be determined by
=
where c =capacitor
=
Reactance inductor can be determined by
As they are in series so ,
On solving these value we get
As we know that
f = =
530.5 Hz
Answer:
Explanation:
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