The steady state error of a unity feedback linear system for a unit step input is 0.1. The steady state error of the same system, for a pulse input r(t) having a magnitude of 10 and a duration of one second, as shown in the figure is
Q4.A single phase air core transformer, fed from a rated sinusoidal supply, is operating at no load. The steady state magnetizing current drawn by the transformer from the supply will have the waveform
Answer : Option CExplaination / Solution:
It is an air core transformer. So, there is no saturation effect.
Q7.A portion of the main program to call a subroutine SUB in an 8085 environment is given below.
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:
LXI D,DISP
LP : CALL SUB
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It is desired that control be returned to LP+DISP+3 when the RET instruction is executed in the subroutine. The set of instructions that precede the RET instruction in the subroutine are
Answer : Option CExplaination / Solution: No Explaination.
Q9.A digit DMM has the error specification as : 0.2% of reading + 10 counts. If a dc voltage of 100V is read on its 200V full scale, the maximum error that can be expected in the reading is
Answer : Option CExplaination / Solution: No Explaination.