1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Two parallel infinite line charges with linear charge densities +$$\lambda $$ C/m and -$$\lambda $$ C/m are placed at a distance of 2R in free space. What is the electric field mid-way between the two line charges?
A
$${{2\lambda } \over {\pi {\varepsilon _0}R}}$$ N/C
B
zero
C
$${\lambda \over {\pi {\varepsilon _0}R}}$$ N/C
D
$${\lambda \over {2\pi {\varepsilon _0}R}}$$ N/C
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
In which of the following devices, the eddy current effect is not used?
A
magnetic braking in train
B
electromagnet
C
electric heater
D
induction furnace
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
A particle moving with velocity $$\overrightarrow V $$ is acted by three forces shown by the vector triangle PQR. The velocity of the particle will : NEET 2019 Physics - Motion in a Plane Question 9 English
A
remain constant
B
increase
C
decrease
D
change according to the smallest force $$\overrightarrow {QR} $$
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12