In a four-pole direct current machine
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In a four-pole direct current machine
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All the four poles are north poles
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Alternate poles are north and south
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All the four poles are south poles
- Two north poles follow two south poleS
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- M EXPERIMENT 01 V(n002) V(n001) 10V- 8V- 6V- 4V- 2V- OV- -2V- 4V- -6V- -8V- -10V- 0.00ms 30.00ms 60.00ms 90.00ms 120.00ms 150.00ms 180.00ms K EXPERIMENT 01 X Diode 1N914 V Resistor SINE(0 10 60000 100) 10K .tran 2Consider the following statements :A clamper circuit 1. adds or subtracts a dc voltage to a waveform 2. does not change the waveform 3. amplifies the waveform Which are correct? * O 1,2 O 1,3 O 1, 2, 3 O 2,3Solve for Ic of Figure 41. VCC T15V O 0.33mA ○ 4.77mA O 3.3mA O 0.477mA R1 390kQ R2 $2.7kQ Q1 Beta 90 Vc
- The back emf of a dc motor Adds to the supply voltage O regulates its armature voltage helps in energy conversion O usually exceeds the supply voltage O * ?In a dc machine 6 pole wave winding is used. The number of parallel paths are 6. 4 1 0What is the maximum frequency of operation for the following configuration? DTsulQ (dlyT DTsu2Q (dly2 IN Th1 Th2 Th3 OUT Teqla Teq2, Teq$a CLK- skewl skew2Sketch even and odd for this figure