Related Questions

What happens to the MMF when the magnetic flux decreases?
A Increases
B Decreases
C Remains constant
D Becomes zero
In D.C. machines, ir order to prevent excessive distortion of field form by the armature reaction, the field mmf must be made
A equal to that of armature mmf
B less in comparison with the armature mmf
C large in comparison with the armature mmf
D none of the above
In D.C. machines, the ________ in field mmf results in increase in size and cost of machines.
A increase
B decrease
C either of the above
D none of the above
The price per unit of a product increases by 25% . The actual Taka increase in the unit price is Tk.1.25. What was the unit price in Taka before the price increase?
A 5
B 7.5
C 6.25
D 8.75
The price per unit of product increased by 25% The actual taka increase in the unit price was Tk. 1.25. What was the unit price in Taka, before the price increase?
A 5.00
B 6.25
C 7.50
D 8.75
The price per unit of product increased by 25% The actual taka increase in the unit price was Tk. 1.25. What was the unit price in Taka , before the price increase?
A 5.00
B 6.25
C 7.50
D 8.75
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
Heat conducted through per unit area and unit thick face per unit time when temperature difference between opposite faces is unity, is called
A Thermal resistance
B Thermal coefficient
C Temperature gradient
D Thermal conductivity
January মাসে ১০০ unit-এর ইলেকট্রিসিটি বিল ১২০০ টাকা এবং February মাসে ১২০ unit এর ইলেকট্রিসিটি বিল ১৩৪০ টাকা। ইলেকট্রিসিটি বাবদ মাসিক স্থির খরচের পরিমাণ কত হবে-
A ১৪০ টাকা
B ৫০০ টাকা
C ৭২ টাকা
D ২৪০ টাকা
The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as
A Emissivity
B Transmissivity
C Reflectivity
D Intensity of radiation

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