1
KCET 2023
+1
-0

The four bands of a colour coded resistor are of the colours grey, red, gold and gold. The value of the resistance of the resistor is

A
$$5.2 \Omega \pm 5 \%$$
B
$$82 \Omega \pm 10 \%$$
C
$$8.2 \Omega \pm 5 \%$$
D
$$82 \Omega \pm 5 \%$$
2
KCET 2023
+1
-0

A moving coil galvanometer is converted into an ammeter of range 0 to $$5 \mathrm{~mA}$$. The galvanometer resistance is $$90 \Omega$$ and the shunt resistance has a value of $$10 \Omega$$. If there are 50 divisions in the galvanometer-turned-ammeter on either sides of zero, its current sensitivity is

A
$$2 \times 10^4 ~\mathrm{div} / \mathrm{A}$$
B
$$1 \times 10^5 \mathrm{~A} / \mathrm{div}$$
C
$$2 \times 10^4 \mathrm{~A} / \mathrm{div}$$
D
$$1 \times 10^5 \mathrm{div} / \mathrm{A}$$
3
KCET 2022
+1
-0

A charged particle is moving in an electric field of $$3 \times 10^{-10} \mathrm{Vm}^{-1}$$ with mobility $$2.5 \times 10^6 \mathrm{~m}^2 / \mathrm{V}-\mathrm{s}$$, its drift velocity is

A
$$8.33 \times 10^{-4} \mathrm{~m} / \mathrm{s}$$
B
$$1.2 \times 10^{-4} \mathrm{~m} / \mathrm{s}$$
C
$$25 \times 10^4 \mathrm{~m} / \mathrm{s}$$
D
$$7.5 \times 10^{-4} \mathrm{~m} / \mathrm{s}$$
4
KCET 2022
+1
-0

Wire bound resistors are made by winding the wires of an alloy of

A
$$\mathrm{Si}, \mathrm{Tu}, \mathrm{Fe}$$
B
Ge, Au, Ga
C
Manganin, constantan, nichrome
D
$$\mathrm{Cu}, \mathrm{Al}, \mathrm{Ag}$$
EXAM MAP
Medical
NEET