Electric Currecnt and its effects
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Question 1 of 5
1. Question
Which of the following is/are not correctly matched?
CorrectIncorrect -
Question 2 of 5
2. Question
Which of the following is/are correct for electrical circuit?
1. It is a continuous path.
2. It can be open or closed.
3. When electrical constact is broken, it is called a closed circuit.
Choose the correct option from the codes given below:CorrectIncorrect -
Question 3 of 5
3. Question
Which of the following is/are correctly matched?
1. Heating effect of electric current —– production of heat in the resistor.
2. Magnetic effect of electric current ————– hans Christian Oersted.
3. Chemical Effect of electric current —————————– electric fuse.
Choose the correct option from the codes given below:CorrectIncorrect -
Question 4 of 5
4. Question
Which of the following is/are correct for electric bell?
1. It is based on heating effect of electric current.
2. A U – shaped or horseshoe – shaped electromagnet is used.
Choose the correct option from the codes given below:CorrectIncorrect -
Question 5 of 5
5. Question
Which of the following is/are correctly matched?
1. Open circuit ————————————————– no flow of current.
2. Copper ———————————————————— good conductor.
3. Nichrome ————————————————————– heavy loads.
Choose the correct option from the codes given below:CorrectIncorrect