Q)
(chatquestion)...In the circuit shown in the figure R = 50 Q,
F. = 253 V and E2 = 25/6 sin(@f) V, where
%3D
%3D
0= 100 TS. The switch is closed at t = 0 and
remains closed for 14 min, then it is opened.
nerical
openi
(a) The amount of heat produced in the resistor is 63000 J
(b) The amount of heat produced in the resistor is 7000 J
() If total of heat produced is used to heat 3 kg of water at
20°C, the final temperature will be 25°C
E,
E2
of the s
(d) The value of direct current that will produce same
amount of heat in same time through same resistor will
be 1.5 A
of the s
9. Chooso tl
SI
1 Answer
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