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Cos (a-b) - cos (a+b) = 2 sin a sin b
asked
Feb 15, 2017
Mathematics
high-school
1
answer
3
votes
219k
views
A radio operating at 3.0 volts and a constant temperature draws a current of 1.8 × 10^−4 ampere. What is the resistance of the radio circuit? (1) 1.7 × 10^4 Ω (3) 5.4 × 10^−4 Ω (2) 3.0 × 10^1 Ω (4) 6.0
asked
Jan 10, 2017
Physics
high-school
1
answer
3
votes
177k
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