taterbuglee2003
taterbuglee2003 taterbuglee2003
  • 03-02-2020
  • Physics
contestada

Which could be a source of emf in a circuit?
A. copper wire
B. light bulb
C. solar cell
D.switch

Respuesta :

aristocles aristocles
  • 27-03-2020

Answer:

So here source of EMF in the given circuit is Solar Cell

Explanation:

EMF source is the energy source which provide constant potential difference across the conductor

So here we have

copper wire : this provide the path for the flow of electrons

light bulb : It provides the light energy in the circuit

Solar Cell : It provides the constant potential difference to the circuit

Switch : It is used to control the current flow in the circuit

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