NCERT Solutions Class 7 Science Chapter 14 Electric Current and its Effects – Here are all the NCERT solutions for Class 7 Science Chapter 14. This solution contains questions, answers, images, explanations of the complete chapter 14 titled Electric Current and its Effects of Science taught in class 7. If you are a student of class 7 who is using NCERT Textbook to study Science, then you must come across chapter 14 Electric Current and its Effects. After you have studied lesson, you must be looking for answers of its questions. Here you can get complete NCERT Solutions for Class 7 Science Chapter 14 Electric Current and its Effects in one place.
NCERT Solutions Class 7 Science Chapter 14 Electric Current and its Effects
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For a better understanding of this chapter, you should also see summary of Chapter 14 Electric Current and its Effects , Science, Class 7.
| Class | 7 |
| Subject | Science |
| Book | Science |
| Chapter Number | 14 |
| Chapter Name |
Electric Current and its Effects |
NCERT Solutions Class 7 Science chapter 14 Electric Current and its Effects
Class 7, Science chapter 14, Electric Current and its Effects solutions are given below in PDF format. You can view them online or download PDF file for future use.
Electric Current and its Effects
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Question & Answer
Q.1: Draw the circuit diagram to represent the circuit shown in figure.
Ans : In the given circuit, one terminal of the bulb is connected with one terminal of the cell while their other terminals are connected to a safety pin. However, the safety pin is not connected with one of the drawing pins. Thus, the circuit is not complete. Hence, safety pin represents a switch in 'OFF' position. The circuit diagram of the given figure is shown in the following figure.
Q.2: Figure shows four cells fixed on a board. Draw lines to indicate how you will connect their terminals with wires to make a battery of four cells.
Ans : To make a battery, the negative terminal of one cell must be connected to the positive terminal of the next cell. The wire indicates the manner in which the given cells should be connected with each other, as shown in the following figure.
Q.3: The bulb in the circuit shown in Figure does not glow. Can you identify the problem? Make necessary changes in the circuit to make the bulb glow.
Ans : The bulb in the Circuit iS not glowing because the two cells are not connected properly. To make the bulb glow, the negative terminal of one cell Should be connected to the positive terminal of the other cell, as shown in the given figure.
Q.4: Name any two effects of electric current.
Ans : The two effects of electric current are (i) Heating effect of electric current (ii) Magnetic effect of electric current
Q.5: When the current is switched on through a wire, a compass needle kept nearby gets deflected from its north-south position. Explain.
Ans : When a current is switched on through a wire, the wire starts behaving as a magnet. Hence, when a compass needle is placed near the given current carrying wire, it gets influenced by the magnetic effect of electric current and gets deflected from its North- South position.
NCERT / CBSE Book for Class 7 Science
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