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10.1 Write down the name of EACH part, R, T and X - NSC Physical Sciences - Question 10 - 2017 - Paper 1

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10.1 Write down the name of EACH part, R, T and X. 10.1.2 Give the NAME of the law upon which the operation of the generator is based. 10.2 An AC supply is connect... show full transcript

Worked Solution & Example Answer:10.1 Write down the name of EACH part, R, T and X - NSC Physical Sciences - Question 10 - 2017 - Paper 1

Step 1

10.1 Write down the name of EACH part, R, T and X.

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Answer

R: Armature (Coil) T: Carbon Brushes X: Slip Rings

Step 2

10.1.2 Give the NAME of the law upon which the operation of the generator is based.

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Answer

Faraday's Law

Step 3

10.2.1 Write down the rms value of the potential difference of the AC supply.

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Answer

15 V

Step 4

10.2.2 If the resistance of the light bulb is 45 Ω, calculate the maximum current delivered to the light bulb.

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Answer

To find the maximum current, we can use Ohm's Law:

Imax=VmaxRI_{max} = \frac{V_{max}}{R}

Considering the rms voltage:

  • Given: Vrms=15VV_{rms} = 15 V
  • Therefore, Vmax=Vrms2=152≈21.213VV_{max} = V_{rms} \sqrt{2} = 15 \sqrt{2} ≈ 21.213 V

Now substituting the values: Imax=21.21345≈0.47AI_{max} = \frac{21.213}{45} ≈ 0.47 A

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