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krek1111 [17]
3 years ago
9

certain conductor with a resistance of 10 Ohms is crossed by an electric current of intensity 100 mA. What is the potential diff

erence at the terminals of that conductor?
Chemistry
1 answer:
Morgarella [4.7K]3 years ago
8 0

Answer:

1.0 V

Explanation:

Step 1: Given data

  • Resistance of certain conductor (R): 10 Ω
  • Current's intensity (I): 100 mA
  • Potential difference at the terminals of that conductor (V): ?

Step 2: Convert "I" to Ampere

We will use the conversion factor 1 A = 1000 mA.

100 mA × 1 A/1000 mA = 0.100 A

Step 3: Calculate the potential difference

We will use Ohm's law.

V = I × R

V = 0.100 A × 10 Ω = 1.0 V

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Answer:

\frac{\dot Q}{A} = 151.33 W/m^2

T_c = 25.153°C

Explanation:

Given data:

one side wall temperature 200°C

other side wall temperature 10°C

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k = 2.6W/m °C

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we know that heat flux is given as

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\frac{\dot Q}{A} = \frac{ 20- 10} {\frac{0.30}{2.6} + \frac{1}{100}}

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solving for temperature for cold surface is given as

T_c = -1515.33 \times \frac{0.3}{2.6} + 200

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Why using a temperature probe is preferable to using a conventional mercury thermometers
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Explanation:

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