Electric Current and its Effects

Question 1 What is an electromagnet? How can we make an electromagnet? Question 2 Mention two advantages of electromagnet over a permanent magnet? Question 3 Describe the construction and working of electromagnet? Question 4 What is meant by magnetic effect of current? Question 5 Why do we use iron for making an electromagnet and not steel? Question 6 State few … [Read more...] about Magnetic Effect of Electric Current

Question 1 What is meant by heating effect of current? Question 2 Name few appliances which work on heating effect of current? Question 3 Explain why filament type electric bulb are not power efficient? Question 4 What will happen if fuse is not inserted in household electric wiring? Question 5 Why any metal wire or metal strip cannot be used in place of fuse … [Read more...] about Heating Effect of Electric Current

Question 1 What is an electric circuit? Draw an open and closed circuit? Question 2 What is meant by a battery? How will you arrange two cells to make a battery? Question 3 Give the names and symbols for common electrical components? Question 4 Draw a circuit diagram with an open and closed switch? Question 5 What are storage cells? Electric Current The flow of … [Read more...] about Electric Circuit