Electric charge and field class 12 ncert
WebSep 18, 2024 · An electric dipole with dipole moment 4 x 10 -9 Cm is aligned at 30° with the direction of a uniform electric field of magnitude 5 x 10 4 NC -1. Calculate the magnitude of the torque acting on the dipole. Answer: Using τ = pE sin 0, we get. = (4 x 10- 9) (5x 10- 4 sin 30°) = 2 x 10- 4 x 12 = 10- 4 N m 2. Question 11. WebApr 13, 2024 · 😨Hidden Concepts Electric Charge and Fields Class-12 #cbse2024 #jee2024electric charges and fields class 12 revisionelectric charges and fields physicsProp...
Electric charge and field class 12 ncert
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Web(a) the electric field is necessarily zero. (b) the electric field is due to the dipole moment of the charge distribution only. (c) the dominant electric field is 3 1 r ∝ , for large r, where r is the distance from a origin in this region. (d) the work done to move a charged particle along a closed path, away from the region, will be zero. WebSep 9, 2024 · Torque on a dipole in a uniform electric field. Torque = force X perpendicular distance τ= qE ×2 a sinθ, τ= pE sinθ Or τ= p × E. Torque is zero when p and E are in the …
WebApr 12, 2024 · Q.1. A dipole consisting of an electron and a proton separated by a distance of 4 × 10 -10 m is situated in an electric field of intensity 3 × 10 -5 NC -1 at an angle of 30° with the field. Calculate the dipole moment and the torque acting on it. Charge on an electron = 1.602 × 10 -19 C. Q.2. An electric dipole is formed by +4μC and -4μC ... WebApr 12, 2024 · Principle of superposition of electrostatic forces. Coulomb’s law gives force between two point charges. The principle of superposition enables us to find the force on a point charge due to a group of point charges. This principle is based on the property that the forces with which two charges attract or repel each other are … Continue reading …
WebJan 25, 2024 · We hope the NCERT Solutions for Class 12 Physics Chapter 1 Electric Charges and Fields, help you. If you have any query regarding NCERT Solutions for … WebCBSE Class 12 Physics Exam Date – on 6th March 2024 at 10.30 am to 1.30 pm, Exam Code – 043. The CBSE Physics Chapter 1 deals with topics like Coulomb’s Laws, Electric Field, Conductors and Insulators and …
Web12th class notes electric charges and fields questions from ncert text what is the force between two small magnitude of the torque acting on the charged spheres ... 13. A conducting sphere of radius 10 cm has an unknown charge If the electric field 20 cm from the centre of the spheres is 1 103 N/C and points radially inward, what is the net ...
WebApr 11, 2024 · NCERT class 12 physics chapter 1 Electric Charges and Fields Important points highlighted farnham to aldershot busWebApr 12, 2024 · Numerical Problems Based on Electric Field for Class 12 Physics. Here we are providing numerical problems based on Electric Field for Class 12 Physics. Q.1. If an oil drop of weight 3.2 × 10 -13 N is balanced in an electric field of 5 × 10 3 Vm -1, find the charge on the oil drop. (Ans. 0.64 × 10 -18 C) free std testing fresnoWebElectronic Devices (Unit 9) Common emitter transistor amplifier. Common base transistor amplifier. Communication System (Unit 10) Frequency modulation and amplitude modulation. The above listed were a few important derivations of CBSE class 12 physics that are most likely to be asked in the coming board exams. farnham to aldershotWebFeb 24, 2024 · Multiple Choice Questions (MCQ II) (a) the electric field inside the surface and on it is zero. (b) the electric field inside the surface is necessarily uniform. (c) the number of flux lines entering the surface must be equal to the number of flux lines leaving it. (d) all charges must necessarily be outside the surface. farnham this weekendWebApr 9, 2024 · Read this article to gain access to CBSE Class 12 NCERT Solutions for Physics Chapter 1, and be confident and well-prepared before your Class 12 Physics … free std testing honoluluWebApr 6, 2024 · 1. Electric Charge. 1.1 Definition- Charge is that property that is associated with the matter due to which it produces and experiences electrical and magnetic effects. … free std testing in auburnWebApr 24, 2024 · NCERT Solutions Class 12 Physics Chapter 1 Electric Charges and Fields. Q 1.1) What is the force between two small charged spheres having charges of 2 × 10 … free std testing hollywood fl