MDCAT - UHS Past Papers - Physics - Chap No 7 Quiz

Attempt 10 MCQs on MDCAT - UHS Past Papers - Physics - Chap No 7 | Quiz 1

1. The Coulomb's force between two-point charges q1 and q2 is 3N, where distance between them is 3m. The charge q2 is

3 x 10^-3
2 x 10^-3
1 x 10^-3
6 x 10^-3

2. Coulomb's law is given by the formula F = k q1 q2 / r^2. The magnitude of k having the unit of Nm^2 / C^2 for free space is

9 x 10^9
6 x 10^9
9.0 x 10^9
6.0 x 10^9

3. Which of the following statement is true?

Electrostatic force inverse square law while gravitational force does not
Both gravitational force and electrostatic force are repulsive in nature
Gravitational force is much weaker than electrostatic force
Both electrostatic and gravitational force obey inverse square law

4. The Coulomb's constant k depends upon

Nature of medium
System of units
Type of charge
Nature of medium and system of units

5. As per Coulomb's law, the force of attraction or repulsion between two-point charges is directly proportional to

Sum of the magnitude of charges
Square of the distance between them
Product of the magnitude of charges
Cube of the distance

6. A charged particle moves in a uniform electric field between two oppositely charged parallel metal plates. To calculate the force acting on the particle due to the electric field, which quantity is not required?

Particle charge
Particle speed
Plate separation
Potential difference between plates

7. The Coulomb's law states

Force between two point charges is inversely proportional to the product of the charges and directly proportional to the square of the distance between them
Force between two point charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them
Force between two point charges is directly proportional to the sum of charges and inversely proportional to the square of the distance between them
Force between two point charges is directly proportional to the product of the charges and the square of the distance between them

8. Electric field strength at position vector r = (-4i + 3j)m caused by point charge q = 5μC placed at origin is:

1440i + 1080j N/m
1240i + 1080j N/m
1240i + 1280j N/C
1240i + 1080j N/C

9. Force experienced per unit positive charge at a point in an electric field is the definition of:

Electric potential energy
Electric field strength
Electric potential
Electric field

10. A point charge has electric field strength E and potential V at some distance. What is the potential at a point where field is E/4?

V/4
V/2
4V
2V

← Back to Quiz Sets

Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

Medical Colleges in Pakistan

Explore medical institutions city‑wise – public & private.

Lahore Karachi Islamabad Rawalpindi Peshawar Quetta Multan Faisalabad Sialkot Gujranwala Hyderabad Abbottabad Mardan Bahawalpur Sukkur

Browse All Medical Colleges →

- Try Now

MDCAT Past Papers Free Online Quizzes

Country Wise Scholarships

🇵🇰 Pakistan's Scholarships 🇺🇸 USA's Scholarships 🇬🇧 UK's Scholarships 🇨🇦 Canada's Scholarships 🇨🇳 China's Scholarships 🇸🇦 Saudi Arabia's Scholarships 🇦🇪 UAE's Scholarships 🇲🇾 Malaysia's Scholarships 🇪🇺 Europe's Scholarships 🇰🇷 South Korea's Scholarships

Online Free Quiz

MDCAT NCAT Intelligence Test

View All Quizzes →

Facebook YouTube WhatsApp Instagram

Stay updated with latest news & updates

Aggregate Calculator

Calculate your MDCAT aggregate for MBBS admissions

Calculate Now →

MDCAT - UHS Past Papers - Physics - Chap No 7 Quiz

Medical Colleges in Pakistan

Country Wise Scholarships

Online Free Quiz

Follow Us

Aggregate Calculator