Current Electricity Class 12 Maharashtra Board. We covered all the Current Electricity Class 12 Maharashtra Board in this post for free so that you can practice well for the exam.
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Current Electricity Class 12 Maharashtra Board Objective for Students
Consider the following statements. Assertion (A): Lightning conductors prevent buildings from damage in the event of a lightning strike. Reason (R): The electric charge is conducted to the ground through the wire, instead of passing through the structure. Select the correct answer using the codes given below. Code
(A) Both (A) and (R) are true and (R) is the correct explanation of (A)
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)
(C) (A) is true, but (R) is false
(D) (A) is false, but (R) is true
Option b – Both (A) and (R) are true and (R) is the correct explanation of (A)
Which of the following option represents the consumption of power in ascending order?
(A) Television, fan, electronic press, electronic kettle
(B) Television, fan, electronic kettle, electronic press
(C) Fan, television, electronic press, electronic kettle
(D) Electronic press, electronic kettle, fan, television
Option c – Fan, television, electronic press, electronic kettle
The Earth’s magnetic field is due to
(A) Currents circulating inside the core
(B) the Presence of a huge magnet at its center
(C) Moving charges in space outside
(D) None of the above
Option a – Currents circulating inside the core
Nickel-Cadmium (Ni-Cd) battery is used in
(A) Calculator
(B) Cordless electronic appliances
(C) Transistors
(D) All of the above
Option d – All of the above
The electricity consumption bill is based on the measurement of 1. Watt 2. Voltage 3. Ohm 4. Ampere Select your answer to the following codes.
(A) Only 1
(B) Only 1 and 2
(C) Only 2 and 3
(D) Only 1 and 4
Option a – Only 1
Consider the following statements regarding a motor car battery. 1. The voltage is usually 12V. 2. Electrolyte used is hydrochloric acid. 3. Electrodes are lead and copper. 4. Capacity is expressed in ampere-hours. Which of the above statements is correct?
(A) Only 1 and 2
(B) Only 2 and 3
(C) Only 3 and 4
(D) Only 1 and 4
Option d – Only 1 and 4
Consider the following statements. An ordinary light bulb has a rather short life because the 1. The filament wire is not uniform. 2. Bulb cannot be evacuated completely. 3. Wires supporting the filament melt at high temperatures. Which of the above statements is correct?
(A) Only 1 and 3
(B) Only 2 and 3
(C) Only 1 and 3
(D) 1, 2 and 3
Option d – 1, 2 and 3
We covered all the current electricity class 12 Maharashtra board above in this post for free so that you can practice well for the exam.
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