The current, I, in an AC circuit can be modelled by the equation I = acos (btc) where b is the frequency and c is the phase shift. Two AC voltage sources of the same frequency are independently connected to the same circuit. If connected to the circuit alone they generate currents I and IB. The maximum value and the phase shift of each current is shown in the following table. Current IA Maximum value 12 amps 12 amps Phase shift 0 TC 2 When the two voltage sources are connected to the circuit at the same time, the total current IT can be expressed as IA + IB. (c) (i) Find the maximum value of IT. (ii) Find the phase shift of IT.

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The current, I, in an AC circuit can be modelled by the equation I= acos (btc) where b is
the frequency and c is the phase shift.
Two AC voltage sources of the same frequency are independently connected to the same
circuit. If connected to the circuit alone they generate currents I and IB. The maximum
value and the phase shift of each current is shown in the following table.
Страница 2 из 2
(ii)
Число слов: 2
BE
Current
английский (США)
IA
IB
Maximum value
12 amps
12 amps
When the two voltage sources are connected to the circuit at the same time, the total current IT
can be expressed as I + IB.
(c)
Find the maximum value of IT.
Find the phase shift of IT.
1х специальные возможности: проверьте рекомендации
Phase shift
MacBook Pro
0
TU
2
53 фокусировка
FS
DE
E
224%
Transcribed Image Text:The current, I, in an AC circuit can be modelled by the equation I= acos (btc) where b is the frequency and c is the phase shift. Two AC voltage sources of the same frequency are independently connected to the same circuit. If connected to the circuit alone they generate currents I and IB. The maximum value and the phase shift of each current is shown in the following table. Страница 2 из 2 (ii) Число слов: 2 BE Current английский (США) IA IB Maximum value 12 amps 12 amps When the two voltage sources are connected to the circuit at the same time, the total current IT can be expressed as I + IB. (c) Find the maximum value of IT. Find the phase shift of IT. 1х специальные возможности: проверьте рекомендации Phase shift MacBook Pro 0 TU 2 53 фокусировка FS DE E 224%
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