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lutik1710 [3]
4 years ago
9

The plug-in transformer for a laptop computer puts out 7.50 V and can supply a maximum current of 1.6 A. What is the maximum inp

ut current Ip in amps, if the input voltage is 240 V? Assume 100% efficiency
Physics
1 answer:
Mashcka [7]4 years ago
7 0

Answer:

The input current is 0.05 A.

Explanation:

Given that,

Output voltage = 7.50 V

Output current = 1.6 A

Input voltage = 240 v

We need to calculate the input current

The efficiency is 100% so.

Input power = output power

\dfrac{V_{i}}{V_{o}}=\dfrac{I_{o}}{I_{i}}

\dfrac{240}{7.50}=\dfrac{1.6}{I_{i}}

I_{i}=\dfrac{1.6\times7.50}{240}

I_{i}=0.05\ A

Hence, The input current is 0.05 A.

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Hi there!

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(c)
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(f)
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W = F_{net} \cdot d = (F_{Ax} - F_f)

W = (F_Acos(30) - \mu_k mg)d\\W = (248cos(30) - 0.1(56)(9.8)) * 56 \\\\W = 8954.08 J

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