3 years ago

Question 7 of 10

Physics

1 answer:

Igoryamba3 years ago

6 0

Answer:

A. Blue

Explanation:

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if the frequency of a sound wave in air remains constant, its energy can be varied by changing its what

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How much charge passes through a wire in 4.0 s if the current is 3.0 A?

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12 coloumbs

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A 20×10⁹charge is moved between two points A andB that are 30mm apart and have an electric potential difference of 600v between

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3 years ago

A 0.5 μF and a 11 μF capacitors are connected in series. Then the pair are connected in parallel with a 1.5 μF capacitor. What i

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Answer:

$C_{eq}=1.97\ \mu F$

Explanation:

Given that,

Capacitance 1, $C_1=0.5\ \mu F$

Capacitance 2, $C_2=11\ \mu F$

Capacitance 3, $C_3=1.5\ \mu F$

C₁ and C₂ are connected in series. Their equivalent is given by :

$\dfrac{1}{C'}=\dfrac{1}{C_1}+\dfrac{1}{C_2}$

$\dfrac{1}{C'}=\dfrac{1}{0.5}+\dfrac{1}{11}$

$C'=0.47\ \mu F$

Now C' and C₃ are connected in parallel. So, the final equivalent capacitance is given by :

$C_{eq}=C'+C_3$

$C_{eq}=0.47+1.5$

$C_{eq}=1.97\ \mu F$

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