Free Class 10 Science Chapter 4 Effects of Electric Current questions answers

Class 10 Science Chapter 4 Effects of Electric Current questions answers

We offer free Maharashtra Board Class 10 Science Chapter 4 Effects of Electric Current questions answers in Pdf format. Our expert team have gone through this chapter and prepared Notes for the students who are facing difficulties in summarizing of this chapter. We assure you that you can score more marks by using our Pdf files. Let us tell you that all the questions answers in concern with this chapter are prepared by our expert teachers team. Here you will find three Pdf files, among them first Pdf files consists of Textbook Questions Answers whereas in second Pdf files you will get the additional extra questions for practices. In the third and last Pdf files, you will get full exercise of this chapter.

You need not worry about the Digest/ Guide because after using our Pdf solutions you will never find need of them. You will get all the Pdf files at the end of this post, so we would like to request you to read full article.

Board Class Chapter
Maharashtra state Board Std 10Chapter 4 Effects of Electric Current

Class 10 Science Chapter 4 Effects of Electric Current questions answers in Pdf format:

Here is what you all are waiting for. Teachers, parents and student, now you will find below the Solutions of Class 10 Science Chapter 4 Effects of Electric Current questions answersFrom the subject English of Maharashtra State Board.

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Chapter NamePdf Solutions
Effects of Electric Current ( Text book ) ExerciseDownload Now
Effects of Electric Current (Additional Extra) ExerciseDownload Now
Effects of Electric Current (Entire) ExerciseDownload Now

Class 10 Science Chapter 4 Effects of Electric Current Notes:

As we go through the entire Class 10 Science Chapter 4 Effects of Electric Current, we can see there are so many questions asked meanwhile and students are expected to answers them. Some students may face some problem while answering it , but we promise you that after reviewing our answer, you will gain the confidence to answers such questions. Our expert team teacher have divided the solutions into several parts,which will help you to understand this chapter better. Have a look at the following parts:

  • Effects of Electric Current (Can you recall?)
  • Effects of Electric Current (Use your brain power)
  • Effects of Electric Current (Observe/Discuss:)
  • Effects of Electric Current (Let’s Discuss:)
  • Effects of Electric Current (Observe:)
  • Effects of Electric Current (Let’s think:)
  • Effects of Electric Current (Paragraph based questions:)
  • Effects of Electric Current (Questions based on tables and charts:)
  • Effects of Electric Current (Activity based questions:)
  • Effects of Electric Current (Projects:)

Class 10 Science Chapter 4 Effects of Electric Current: Question Bank

All those students who are preparing for the final exam and want to score more marks on board can refer to our question bank, among them are some questions may ask you in your final examination.

Beneath, in our Pdf documents, you get the Class 10 Science Chapter 4 Effects of Electric Current questions answers, however our expert crew have faith in the query bank that allows you to help the students to get more marks.
Our expert team of teachers has prepared the best solutions to these questions. All the answers to these questions are given in our PDF file, which is given below. You can download it for your later study. In Our Pdf file of solutions of the Chapter 4 Effects of Electric Current, you will find the solutions of Important Question bank given below.

We hope that this question bank will help you a little for your exam preparation.

Important Questions Bank

Fill in the blanks and rewrite the completed statements:
Question 1. Electric power = V2/…….
Question 2. ……….= 1 joule/1 second.
Question 3. 1 kW.h =………J.
Question 4. According to Joule’s law, quantity of heat (H) produced by an electric current =……….
Question 5. Magnetic effect of electric current was dicovered by………..
Question 6. ………..is expressed in oersted.
Question 7. Electromagnetic induction was discovered by………..
Question 8. A galvanometer is used for………
Question 9. In India, the frequency of alternating current is……….
Question 10. Electric motor converts electric energy into………energy.
Question 11. Electric generator converts………..energy into electric energy.

Rewrite the following statements by selecting the correct options:
Question 1. The device used for producing a current is called……….
(a) a voltmeter
(b) an ammeter
(c) a galvanometer
(d) a generator

Question 2. At the time of short circuit, the current in the circuit………
(a) increases
(b) decreases
(c) remains the same
(d) increases in steps

Question 3. The direction of the magnetic field around a straight conductor carrying current is given by……
(a) the right hand thumb rule
(b) Fleming’s left hand rule
(c) Fleming’s right hand rule
(d) none of these

Question 4. The resistance of a wire is 100 Ω. If it carries a current of 1A for 10 seconds, the heat produced will be……….
(a) 1000 J
(b) 10 J
(c) 0.1 J
(d) 10000 J

Question 5. If 220 V potential difference is applied across an electric bulb, a current of 0.45 A flows in the bulb. What must be the power of the bulb? (Practice Activity Sheet – 1)
(a) 99 W
(b) 70 W
(c) 45 W
(d) 22 W

Question 6. Electromagnetic induction means
(a) charging of an electric conductor.
(b) production of magnetic field due to a current flowing through a coil.
(c) generation of a current in a coil due to relative motion between the coil and the magnet.
(d) motion of the coil around the axle in an electric motor.

State whether the following statements are true or false. (If a statement is false, correct it and rewrite it.) :
Question 1. Electric power = I2R.
Question 2. Magnetic poles exist in pairs.
Question 3. Electromagnetism was discovered by Oersted.
Question 4. Magnetic field increases as we go away from a magnet.
Question 5. Magnetic lines of force cross each other.
Question 6. Electric generator is used to generate current.
Question 7. An electric motor converts mechanical energy into electric energy.
Question 8. In India, the frequency of AC is 50 Hz.
Question 9. The electricity meter in the domestic electric circuit measures electrical energy consumption in kilowatt·hours.
Question 10. Electric generator converts mechanical energy into electric energy.
Question 11. Split rings are used in a DC generator and in an electric motor.
Question 12. Electromagnetic induction was discovered by Coulomb.
Question 13. Faraday found that electricity could produce rotational motion.

Name the following:
Question 1. The negatively charged particle considered as a free particle moving in a metallic conductor.
Question 2. The quantity expressed in ampere.
Question 3. The quantity expressed in ohm.
Question 4. The quantity expressed in volt.
Question 5. The quantity expressed in joule.
Question 6. The quantity expressed in watt.
Question 7. The quantity expressed in kilowatt-hour.
Question 8. A component used to control the current.
Question 9. An instrument used to measure electric current.
Question 10. An instrument used to measure electric potential difference.
Question 11. The ratio of the work done to the quantity of charge transferred.
Question 12. An alloy of Ni, Cr, Mn and Fe.
Question 13. The SI unit of resistance.
Question 14. A metal used to make the filament of an electric bulb.
Question 15. An alloy used to prepare a coil of high resistance for use in electric appliances such as an electric heater.
Question 16. Constituents of the alloy used to make a fuse wire.
Question 17. The unit same as the watt·second.
Question 18. A unit for intensity of magnetic field.
Question 19. The scientist in whose honour the SI unit of power is named.
Question 20. A device that converts electric energy into mechanical energy.
Question 21. A device that converts mechanical energy into electric energy.

Answer the following questions in one sentence each :

Question 1. What is the production of magnetism by an electric current called?
Question 2. Is magnetic field a scalar or a vector?
Question 3. In India, what is the time interval in which AC changes direction?
Question 4. What is the periodic time of AC in India?

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