Physics

The dimension of time in Electric field intensity is :


ANSWER

$$-3$$


SOLUTION
$$F=QE$$
$$E=F/Q$$

$$\Rightarrow \dfrac{MLT^{-2}}{AT}=MLT^{-3}A^{-1}$$
View Answers

You're just one step away

Create your Digital Resume For FREE on your name's sub domain "yourname.wcard.io". Register Here!


Single Correct Medium Published on 18th 08, 2020
Next Question
Questions 244531
Subjects 8
Chapters 125
Enrolled Students 204
Enroll Now For FREE

Realted Questions

Q1 Single Correct Medium
A wave function expressing the displacement (y) as a function of its position (x) ad time (t) is given as $$Y= P$$  $$ {log} (Qx + Rt).$$
Which of the following expressions has dimensions different from other?
  • A. $$\gamma R$$
  • B. $$PR$$
  • C. $$\dfrac{R}{Q}$$
  • D. $$QR$$

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q2 Single Correct Hard
If error in measuring the distance of a planet from sun is 0.4% and in measuring the mass of sun is 0.6% , then error in measuring the time period of planet around the sun is
  • A. 1.8%
  • B. 0.6%
  • C. 1%
  • D. 0.9%

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q3 Single Correct Medium
The relation gives the value of 'x'
$$x=\dfrac{a^3b^3}{c\sqrt{d}}$$
The percentage error in 'x', if the percentage error in a, b, c, d are $$2\%$$, $$1\%$$, $$3\%$$ and $$4\%$$ respectively, is?
  • A. $$\pm 8\%$$
  • B. $$\pm 10\%$$
  • C. $$\pm 12\%$$
  • D. $$\pm 14\%$$

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q4 Single Correct Medium
The number of significant figure In the numbers $$4.8000 \times 10^4$$ and $$48000.50 $$ are respectively then
  • A. $$5$$ and $$6.$$
  • B. $$5$$ and $$ 7$$.
  • C. $$2$$ and $$7.$$
  • D. $$2$$ and $$6$$.

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q5 Single Correct Medium
The density of a solid ball is to be determined in an experiment. The diameter of the ball is measured with a screw gauge, whose pitch is $$0.5$$mm and there are $$50$$ divisions on the circular scale. The reading on the main scale is $$2.5$$ mm and that on the circular scale is $$20$$ divisions. If the measured mass of the ball has a relative error of $$2\%$$, the relative percentage error in the density is?
  • A. $$0.9\%$$
  • B. $$2.4\%$$
  • C. $$3.1\%$$
  • D. $$4.2\%$$

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer