Q:

Given Ohm’s law i.e. potential difference (V) is the product of current (I) and resistance (R), which of the following statements is true? If potential difference is fi xed (at say, 240 V):

waelhammad
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2022-10-21
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Given Ohm’s law i.e. potential difference (V) is the product of current (I) and resistance (R), which of the following statements is true? If potential difference is fi xed (at say, 240 V):

  1. a high resistance means that a low current will flow
  2. a high resistance means that a high current will flow.
  3. a low resistance means that a low current will flow.
  4. current will be fi xed whatever the resistance.
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waelhammad
2022-10-21
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A: As 240 = I × R, if the value of R is large, then the value of I must be small enough so that their product is 240. 

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