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What is the equivalent capacitance? when...

What is the equivalent capacitance? when two capacitors C1=2F and C2=1F are connected in series.
a) 1.5F
b) 0.667F
c) 2.45F
d) 2.75F

Text Solution

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The correct Answer is:
A, B, C, D
Given `u=40 m/sa=g= 9.8 m/s^2, angle of projectiion
theta = 60^0`
a. Maximum height
`h= (u^2 sin^2 thetha)/(2g)
=(40^2(sin 60^0)^2)/(2xx10)= 60m
b. Horizontal range
x= (u^2 sin 2theta)/g
= (40^2 sin 2 xx 60^0)/g= 80 sqrt(3)m`
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