Question

The voltage across and current through a certain device are given by vt=1001-exp-0.2tV it=30exp-0.2tmA a) Find the instantaneous power p(t) at t = 0 and t = 3 s b) Find the cumulative energy delivered to the device from t = 0 to t = oo

Name: the voltage across and current through a certain device are given by vt1001 exp 02tv it30exp 02tma a find the instantaneous power pt at t 0 and t 3 s b find the cumulative energy delivered t 95651
Uploaded: 2022-01-14T18:30:17-08:00
Duration: 4 min 41 s
Channel: Krishna S
Description: the voltage across and current through a certain device are given by vt1001 exp 02tv it30exp 02tma a find the instantaneous power pt at t 0 and t 3 s b find the cumulative energy delivered t 95651

          The voltage across and current through a certain device are given by
vt=1001-exp-0.2tV
it=30exp-0.2tmA
a) Find the instantaneous power p(t) at  t = 0 and t = 3 s
b) Find the cumulative energy delivered to the device from t = 0 to t = oo

Added by Henry M.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Krishna S

01/14/2022

Step 1

2t} \quad \text{(in volts)} \] \[ i(t) = 30 e^{-0.2t} \quad \text{(in milliamps)} = 0.03 e^{-0.2t} \quad \text{(in amps)} \] Now, substituting these into the power equation: \[ p(t) = (1001 - e^{-0.2t}) \cdot (0.03 e^{-0.2t}) \] Show more…

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The voltage across and current through a certain device are given by vt=1001-exp-0.2tV it=30exp-0.2tmA a) Find the instantaneous power p(t) at t = 0 and t = 3 s b) Find the cumulative energy delivered to the device from t = 0 to t = oo