Related Questions

Piezo-electric transducers are
A Passive transducers
B Inverse transducers
C Digital transducers
D Pulse transducers
Self generating type transducers are ___________ transducers.
A Active
B Passive
C Secondary
D Inverse
Piezo electric crystal can produce an emf
A When external mechanical force is applied to i
B When radiant energy stimulates the crystal
C When external magnetic field is applied
D When the junction of two such crystals are heated
Quartz and Rochelle salt belongs to ___________ of piezo-electric materials
A Natural group
B Synthetic group
C Natural or Synthetic group
D Fiber group
A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in
A Light intensity
B Current
C Flux density
D Voltage
Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others. The probability that all the three apply for the same house is -
A 1/9
B 5/9
C 8/9
D 4/9
শর্তের ভিত্তিতে প্রদত্ত বিন্যাস কার্যকর রাখার জন্য-i. Apply To All আইকন ব্যবহার করা হয়ii. Toggle Filter ব্যবহার করা হয়iii. Apply Filter ব্যবহার করা হয় নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
Faruk can do a work in 12 days and Salam can do the same work in 8 days. If Faruk , Salam and Babu work together , they can complete the work in 4 days . How many days will it take Babu to complete the work alone ?
A 16
B 20
C 24
D 32
A can finish a work in 5 days and B takes 4 days to do the same work. If the work is increased by 8 times, how many days will it take for both of them to finish the work if they work together?
A 10 days
B 15 days
C 20 days
D 25 days
A can finish a work in 5 days and B takes 4 days to do the same work . If the work is increased by 8 times, how many days will it take for both of them to finish the work if they work together?
A 20 days
B 15 days
C 10 days
D 25 days

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