Moving electric charge produces :
1). magnetic field
2). sound waves
3). light rays
4). heat waves
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1. The group of solar cells joined together in a definite pattern is called a
3. Which of the gas is not known as greenhouse gas?
4. Who is currently the Chief Minister of Andhra Pradesh?
5. Why is it difficult to breathe at higher altitudes?
6. For which of the following substances, the resistance decreases with increase in temperature?
7. Moving electric charge produces :
8. Propagation of sound can be visualised as propagation of ________ variations in the medium
10. In which of the following processes is energy released ?