3. The following circuit is given in the time domain and assumes steady-state conditions: 22
125 mF
in
1.92
5 H
+ vi
+ S
0.5 F
10 Ω
12cos(t+45°) VI
a) Transform the circuit to the frequency domain.
b) Use nodal analysis and mesh analysis to solve for the phasor voltages, V, and V2 and the
phasor current, I. Show that your answers for each method match.

If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79

Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k

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