Ram has power of 550 watt. What does it mean?

Physics

1 answer:

WARRIOR [948]3 years ago

4 0

It means you can do 550 Newton Meters of work every second. Power is the rate of doing work, I hope this helps

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Answer:

$C = \frac{\epsilon_0 \epsilon_1 A}{\epsilon_0 t + \epsilon_1(a-t)}\\$

Explanation:

If there is a dielectric slab with thickness less than the distance between the plates is inserted inside a capacitor, then that capacitor can be regarded as two capacitors connected in series.

Let's assume that the slab is placed onto the lower side. So, the capacitance of that part of the capacitor, C1 is

$C_1 = \epsilon_1\frac{A}{t}$

where $\epsilon_1$ is the permittivity of the slab.

The other part of the capacitor is

$C_2 = \epsilon_0 \frac{A}{a-t}$

Two capacitors are connected in series:

$\frac{1}{C} = \frac{1}{C_1} + \frac{1}{C_2} = \frac{1}{\epsilon_1 \frac{A}{t}} + \frac{1}{\epsilon_0 \frac{A}{a-t}} = \frac{t}{\epsilon_1 A} + \frac{a-t}{\epsilon_0 A} = \frac{\epsilon_0 t + \epsilon_1 (a-t)}{\epsilon_0 \epsilon_1 A}\\C = \frac{\epsilon_0 \epsilon_1 A}{\epsilon_0 t + \epsilon_1(a-t)}$