2 Which one of the following is true? * A real emf device has internal resistance and an ideal emf device does not. An ideal emf device has internal resistance and a real emf device does not. An ideal emf device sets up a potential difference and a real emf device does not. A real emf device sets up a potential difference and an ideal emf device does not.
2 Which one of the following is true? * A real emf device has internal resistance and an ideal emf device does not. An ideal emf device has internal resistance and a real emf device does not. An ideal emf device sets up a potential difference and a real emf device does not. A real emf device sets up a potential difference and an ideal emf device does not.
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Which one of the following is true? *
A real emf device has internal resistance and
an ideal emf device does not.
An ideal emf device has internal resistance
and a real emf device does not.
An ideal emf device sets up a potential
difference and a real emf device does not.
A real emf device sets up a potential
difference and an ideal emf device does not.
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