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The compressibility of gas V_(m)=22.4 L V_(m) V_(m)>22.4L V_(m)=44.8L

A transformer steps down from 220V to 22V with secondary impedance of 220Omega . Current is drawn by a primary coil is

How much current is drawn by the primary coil of a transformer which steps down 220 V to 22 V to operate device with an impedance of 220 ohm.

A transformer is used to reduce the main supply of 220V to 22V. If the currents in the primary and secondary are 2A and 15 A respectively, then the efficiency of the transformer is

A hopper drops gravel at a rate of 75 kg/sec onto a conveyor belt moving at a constant speed v = 2.2 m/sec. Find power output must the motor have that drives the conveyor belt ?

How soon does the current amplitude in an oscillating circuit with quality factor Q=5000 decrease eta = 2.0 times if the oscillation frequency is v=2.2 MHz ?

A transformer is used to step down mains supply of 220 V to 22 V. Its primary draws a current of 6 A and secondary draws a current of 50 A . Calculate the efficiency of the transformer .

If the forward bias voltage of a p-n junction diode is changed form 0.7 V to 2.2 V, the forward current changes by 1.5 mA , then the depletion layer is

In the normal operating region, the characteristics of a certain triode may be written as I_(p)=10^(-5)(160 V_(S)+2.22V_(p)) Determine analytically the values of mu, r_(p) and g_(m) .

One of the two thermally insulated vessels inferconnected by a tube with a valve contains v = 2.2 moles of an ideal gas. The other vessel if evacuated. The valve having been opened, the gas increased its volume n = 3.0 times. Find the entropy increment of the gas.

MCGROW HILL PUBLICATION-JEE (Main) 2020 QUESTIONS WITH SOLUTION B.ARCH (6TH JAN-AFTERNOON-Multiple Choice Questions
  1. If a variable plane in 3-dimensional space moves in such a way that th...

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  2. If m be the least value of |z-3+4i|^2+|z-5-2i|^2, z in C attained at z...

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  3. Let A=[(x,2y),(-1,y)], x , y in R If AA'=[(1,0),(0,alpha)] (alpha in...

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  4. A ray of light is projected from the origin at angle of 60^@ with the ...

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  5. If sum(r=1)^9 ((r+3)/2^r)(.^9Cr)=alpha(3/2)^9+beta, then alpha+beta is...

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  6. Let Sn denote the sum of the first n terms of an A.P. , a1,a2,a3,…,an....

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  7. The function f(x)=e^(x+1)(4x^2-16x+11) is :

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  8. If 10sin^4 alpha+15 cos^4 alpha=6, then find the value of 27 cosec^6 a...

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  9. Let a function , f:(-1,3) to R be defined as f(x) =min {x[x], |x[x]-2|...

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  10. If A = (1, 2, 3, 4), then the number of functions on the set A, which ...

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  11. If x=x(y) is the solution of the differential equation, ydx-(x+2y^2)dy...

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  12. Which of the following is NOT equivalent to ~ p wedge q ?

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  13. The sum of the values of x satisfying the equation, sqrtx(sqrtx-4)-3|...

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  14. If the volume of a parallelopiped whose coterminus edges are a=i+j+2k,...

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  15. If for some c lt 0, the quadratic equation, 2cx^2-2(2x-1)x+3c^2=0 has ...

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  17. If the line joining the points A(-1,2,5) and B(3,4,-10) intersects the...

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  18. Let f(x)={{:(|x-3|,"," "if " x lt -1),(3x+4,"," "if " x ge -1):}, g(x)...

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  19. If the total number of ways in which 8-digit numbers can be formed by ...

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  20. Let a, b in R and a gt 0. If the tangent at the point (2, 2) to the ci...

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