1
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Change Language
WB JEE 2021 Physics - Alternating Current Question 3 English
The rms value of potential difference V shown in the figure is
A
$${{{V_0}} \over 2}$$
B
V0
C
$${{{V_0}} \over {\sqrt 3 }}$$
D
$${{{V_0}} \over {\sqrt 2 }}$$
2
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Change Language
WB JEE 2021 Physics - Current Electricity Question 13 English
The carbon resistor with colour code is shown in the figure. There is no fourth band in the resistor. The value of the resistance is
A
24 M$$\Omega$$ $$\pm$$ 20%
B
14 k$$\Omega$$ $$\pm$$ 5%
C
24 k$$\Omega$$ $$\pm$$ 20%
D
34 k$$\Omega$$ $$\pm$$ 10%
3
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Change Language
WB JEE 2021 Physics - Alternating Current Question 2 English
Consider a pure inductive AC circuit as shown in the figure. If the average power consumed is P, then
A
P > 0
B
P < 0
C
P = 0
D
P এর মান অসীম
4
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Change Language
WB JEE 2021 Physics - Geometrical Optics Question 6 English
The cross-section of a reflecting surface is represented by the equation x2 + y2 = R2 as shown in the figure. A ray travelling in the positive x-direction is directed toward positive y-direction after reflection from the surface at point M. The coordinate of the point M on the reflecting surface is
A
$$\left( {{R \over {\sqrt 2 }},{R \over {\sqrt 2 }}} \right)$$
B
$$\left( { - {R \over 2}, - {R \over 2}} \right)$$
C
$$\left( { - {R \over {\sqrt 2 }},{R \over {\sqrt 2 }}} \right)$$
D
$$\left( {{R \over {\sqrt 2 }}, - {R \over {\sqrt 2 }}} \right)$$
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12