Current – Definition
The definition of electric current is flow of electrons or movement of electric charge. The SI unit of current is ampere. Current can be alternating (AC) or (DC). The symbol of current is I. The term current introduced by Danish Physicist Hans Christian Oersted in 1820. All the MCQs on Electric Current Questions and Answers are published according to the new study syllabus for academic year 2021-22.
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The aim is to provide Electric Current MCQs Multiple Choice questions and answers to understand the concepts of Electricity. If you are willing to learn the concepts of Basic Electronics MCQs multiple choice questions with answer then read all the questions and answers. You will be surely able to qualify for all kinds of Quiz / tests / Interviews after understanding the Introduction to current. If you are a students, technician or teacher then you can learn the basic concept of electric current applications, principle and function.
Electric Current MCQs (Questions and Answers)
Q1. What is the definition of current ?
- flow of electrons
- movement of electric charge
- e.m.f
- a & b are correct
Answer: d
Q2. The unit of current is ampere. True / False
Answer: True
Q3. _______ is used to measure the current in any circuit.
- Hygrometer
- Ammeter
- Voltmeter
- a & b are correct
Answer: b
Q4. Ammeter is used in series to measure the current of any circuit. True / False
Answer: True
Q5. Current can be ___________.
- AC
- DC
- Both a & b
Answer: c
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Q6. The term current introduced by Danish Physicist Hans Christian Oersted in 1820. True / False
Answer: True
Q7. An alternating (AC) current is generated by _________.
- generator
- battery
- motor
- all are correct
Answer: a
Q8. Direct current (DC) is produced by Batteries. True / False
Answer: True
Q9. With the help of Ohm’s Law, current can be calculated by the formula of ________.
- I = VR
- I = VCR
- I = V/R
- I = R/V
Answer: c
Q10. Electrical current in any circuit will be high, when the pressure of voltages is high. True / False
Answer: True
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Q11. The symbol of current is _________.
- E
- V
- C
- I
Answer: d
Q12. One ampere of current represents one coulomb of electric charge. True / False
Answer: True
Q13. Electric Current produces _________ field.
- direct
- magnetic
- electrostatic
- none is correct
Answer: b
Q14. AC current is periodically changing its direction otherwise DC current flows in one direction. True / False
Answer: True
Q15. Conventional current flows from the _______ to ________ direction.
- positive, negative
- negative, positive
Answer: a
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Q16. Electric current flows from negative to positive. True / False
Answer: True