1
CBSE 12th Physics (Term 1) Paper 2021-22
+0.77
-0
Assertion (A) : Higher the range, lower is the resistance of an ammeter.

Reason (R) : To increase the range of an ammeter additional shunt is added in series to it.
A
Both (A) & (R) are true and (R) is correct explanation of (A).
B
Both (A) & (R) are true and (R) is not correct explanation of (A).
C
(A) is true but (R) is false.
D
(A) is false and (R) is also false.
2
CBSE 12th Physics (Term 1) Paper 2021-22
+0.77
-0
Case Study :

An experiment was set up with the circuit diagram shown in figure. Given that R1 = 10 $$\Omega$$, R2 = R3 = 5 $$\Omega$$, r = 0 $$\Omega$$ and E = 5 V

The points with the same potential are -
A
b, c, d
B
f, h, j
C
d, e, f
D
a, b, j
3
CBSE 12th Physics (Term 1) Paper 2021-22
+0.77
-0
Case Study :

An experiment was set up with the circuit diagram shown in figure. Given that R1 = 10 $$\Omega$$, R2 = R3 = 5 $$\Omega$$, r = 0 $$\Omega$$ and E = 5 V

The current through branch bg is -
A
1 A
B
$${1 \over 3}$$ A
C
$${1 \over 2}$$ A
D
$${2 \over 3}$$ A
4
CBSE 12th Physics (Term 1) Paper 2021-22
+0.77
-0
Case Study :

An experiment was set up with the circuit diagram shown in figure. Given that R1 = 10 $$\Omega$$, R2 = R3 = 5 $$\Omega$$, r = 0 $$\Omega$$ and E = 5 V

The power dissipated in R1 is -
A
2 W
B
2.5 W
C
3 W
D
4.5 W
Class 12 Subjects
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
EXAM MAP
Medical
NEET