ICSE Class 10 Physics 2019 Solved Paper
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Question : 32
Total: 74
State two ways to increase the speed of rotation of a D.C. motor.
Solution:
The two ways to increase the speed of rotation of a D. C. motor are :
(1) by increasing the strength of current in its coil.
(2) by increasing the number of turns in its coil.
(1) by increasing the strength of current in its coil.
(2) by increasing the number of turns in its coil.
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