For the frequency divider circuit the D-flip-flop is a CD4013 Dual D-Type flip-flop V2 is a square wave applied to the Clock input and Q is the ouput waveform. a. What is the frequency of the square wave Clock from V29? b. What is the frequency of the output pin Q? c. How many D-flip-flops are implemented in the CD4013 Chip? d. How many outputs are implemented in each D-flip-flop?

A 120-V DC shunt generator has a field-circuit resistance of 90 Ω. What is the armature current when the generator supplies 27 A to a load? a)27A, b)27.75A, c)28.33A, d) none. A shunt-field winding of a 240-V DC generator has a resistance of 60 Ω. How much field-rheostat resistance must be added to limit the field current to 3 A when the generator is operating at rated voltage? a) 20 Ω, b) 80 Ω, c) 100 Ω, d) none of the above Which of the following is true with regards to magnetic materials? a) like polarities repel b) unlike polarities attract c) both "a" and "b" d) none of the above

Input clock frequency of the counter circuit is 16394 MHz. How mnay flip flops required to obtain the 2 MHz clock frequency of the output of the counter? A) 16 B) 13 C) 10 D) 8

An RC drcult with components C= 5mF, R1 =2kM, R2 = 1 and V = 100V is set as shown In the figure. The capactor Is Initlally O the switch is thrown to position 1, at t = 5s the switch is turned to position 2. Which of the following expressions correctly %3D %3D %3D uncharged, at t= %3D gives the charge on the capacitor at t = 10s? 1 O a. Q = (500mC)e /2 %3D 21 O b. Q = (500mC)(1 – e /2)e-1 • c.Q = (125mC)e 2 C R2 O d. Q (100mC)(1 - e-²)e 2 R O e. Q = (0.5C)(1-e-)e-/2 %3D | O f.Q = (25mC)e 1/2 %3D O 8:Q = (50mC)(1 - e-/2)e-2 O h. Q (0.25C)e1 %3D