JEE Main 2019 (Online) 9th January Evening Slot | Current Electricity Question 260 | Physics

A carbon resistance has a following colour code. What is the value of the resistance ?

JEE Main 2019 (Online) 9th January Evening Slot Physics - Current Electricity Question 260 English

JEE Main 2019 (Online) 9th January Evening Slot Physics - Current Electricity Question 260 English

530 k$$\Omega $$ $$ \pm $$ 5%

5.3 M$$\Omega $$ $$ \pm $$ 5%

6.4 M$$\Omega $$ $$ \pm $$ 5%

64 k$$\Omega $$ $$ \pm $$ 10%

JEE Main 2019 (Online) 9th January Morning Slot

MCQ (Single Correct Answer)

-1

When the switch S, in the circuit shown, is closed, then the value of current i will be :

JEE Main 2019 (Online) 9th January Morning Slot Physics - Current Electricity Question 263 English

JEE Main 2019 (Online) 9th January Morning Slot

MCQ (Single Correct Answer)

-1

Out of Syllabus

A resistance is shown in the figure. Its value and tolerance are given respectively by :

JEE Main 2019 (Online) 9th January Morning Slot Physics - Current Electricity Question 262 English

JEE Main 2019 (Online) 9th January Morning Slot Physics - Current Electricity Question 262 English

270 $$\Omega $$, 10 %

27 k$$\Omega $$, 10 %

27 k$$\Omega $$, 20 %

270 $$\Omega $$, 5 %

JEE Main 2019 (Online) 9th January Morning Slot

MCQ (Single Correct Answer)

-1

Drift speed of electrons, when 1.5 A of current flows in a copper wire of cross section 5 mm², is $$\upsilon $$. If the electron density in copper is 9 $$ \times $$ 10²⁸/m³ the value of $$\upsilon $$. in mm/s is close to (Take charge of electron to be = 1.6 $$ \times $$ 10^$$-$$19C)

0.02

0.2

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