9. Let v(t) = 20cos (40ntt + 145°) and i(t) = 12cos (40nt – 40°). By how much does v(t) lead i(t)? a) 24.3 ms b) -24.3 m

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answerhappygod
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9. Let v(t) = 20cos (40ntt + 145°) and i(t) = 12cos (40nt – 40°). By how much does v(t) lead i(t)? a) 24.3 ms b) -24.3 m

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9 Let V T 20cos 40ntt 145 And I T 12cos 40nt 40 By How Much Does V T Lead I T A 24 3 Ms B 24 3 M 1
9 Let V T 20cos 40ntt 145 And I T 12cos 40nt 40 By How Much Does V T Lead I T A 24 3 Ms B 24 3 M 1 (188.92 KiB) Viewed 23 times
The answer is 'b'
9. Let v(t) = 20cos (40ntt + 145°) and i(t) = 12cos (40nt – 40°). By how much does v(t) lead i(t)? a) 24.3 ms b) -24.3 ms c) 48.6 ms d) -48.6 ms e) none of these ws
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