Related Questions

In an LC oscillator, if the value of L is increased four times, the frequency of oscillations is ___________
A Increased 2 times
B Decreased 4 times
C Increased 4 times
D Decreased 2 times
An oscillator produces___________ oscillations
A Damped
B Undamped
C Modulated
D None of the above
The oscillations in a synchronous motor can be damped out by
A maintaining constant excitation
B running the motor on leading power factors
C providing damper bars in the rotor pole faces
D oscillations cannot be damped
Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
A 1 hour
B 2 hours
C 3 hours
D 4 hours
E 5 hours
If one angle of a triangle is three times a second angle and the third is 20 degrees more than the second angle, the second angle, in degrees, is
A 32
B 36
C 4
D None of these
The sum of three numbers is 98. If the ratio of the first to the second is 2 : 3 . And that of the second to the third is 5 : 8 , then the second number is -
A 30
B 20
C 10
D 15
The sum of three numbers is 98 . If the ratio of the first to second is 2 :3 and that of the second to the third is 5 :8 , then the second number is -
A 10
B 20
C 40
D 30
If 25% of a number is subtracted from a second number, the second number reduces to its five-sixth .What is the ratio of the first number to the second number ?
A 1:3
B 2:3
C 3:2
D None of these
Based on the information below, how much did a certain telephone call cost? 1. The call lasted 1 minute 27 seconds 2. The cost for the first 30 second unit is Tk. 1.80, call duration more than 30 seconds costs Tk. 0.90 per 30 second unit 3. Any call duration less than 30 seconds is rounded up to the nearest 30-second unit.
A Tk. 1.80
B Tk. 2.61
C Tk. 2.70
D Tk. 3.51
Two cyclists start biking from a trail start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the time the second cyclist started biking?
A 2 hours
B 412 hours
C 534 hours
D 6 hours

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