1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
Two thin dielectric slabs of dielectric constants K1 and K2(K1 < K2) are inserted between plates of a parallel plate capacitor, as shown in the figure. The variation of electric field E between the plates with distance d as measured from plate P is correctly shown by
AIPMT 2014 Physics - Capacitor Question 33 English
A
AIPMT 2014 Physics - Capacitor Question 33 English Option 1
B
AIPMT 2014 Physics - Capacitor Question 33 English Option 2
C
AIPMT 2014 Physics - Capacitor Question 33 English Option 3
D
AIPMT 2014 Physics - Capacitor Question 33 English Option 4
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
A transformer having efficiency of 90% is working on 200 V and 3 kW power supply. If the current in the secondary coil is 6 A, the voltage across the secondary coil and the current in the primary coil respectively are
A
300 V, 15 A
B
450 V, 15 A
C
450 V, 13.5 A
D
600 V, 15 A
3
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
The angle of a prism is A. One of its refracting surfaces is silvered. Light rays falling at an angle of incidence 2 A on the first surface returns back through the same path after suffering reflection at the silvered surface.

The refractive index $$\mu $$, of the prism is
A
2sinA
B
2cosA
C
$${1 \over 2}$$cosA
D
tanA
4
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
A thin semicircular conducting ring (PQR) of radius r is falling with its plane vertical in a horizontal magnetic field B, as shown in the figure.

AIPMT 2014 Physics - Electromagnetic Induction Question 25 English
The potential difference developed across the ring when its speed is $$v$$, is
A
zero
B
$${{Bv\pi {r^2}} \over 2}$$ and P is at higher potential
C
$$\pi rBV$$ and R is at higher potential
D
2rBV and R is at higher potential