Current Electricity-Potential Difference and EMF of Cell [BITSAT (Birla Institute of Technology & Science Admission Test) Physics]: Questions 1 - 6 of 6
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Question 1
Question MCQ▾
The internal resistance of cell of emf is it is connected to a resistance of . The voltage across the cell is
Choices
Choice (4) | Response | |
---|---|---|
a. | 1.68 V | |
b. | 1.95 V | |
c. | 0.52 V | |
d. | 2.71 V |
Question 2
Question MCQ▾
If the current through resistor is , then potential drop through resistor is –
Choices
Choice (4) | Response | |
---|---|---|
a. | 1.2 V | |
b. | 9.6 V | |
c. | 4.8 V | |
d. | 2.6 V |
Question 3
Question MCQ▾
For driving current of for minute in a circle of work is to be done. The emf of the source in the circuit is
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 4
Question MCQ▾
The potential difference between two electrodes of a galvanic cell, in an open circuit, is known as –
Choices
Choice (4) | Response | |
---|---|---|
a. | Potential difference | |
b. | Impedance | |
c. | Electromotive force | |
d. | Current |
Question 5
Appeared in Year: 2021
Question MCQ▾
A metal disc of radius is rotated at a constant angular speed of in a plane at right angles to an external field of magnetic induction . The emf induced between the center and a point on the rim will be
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 6
Appeared in Year: 2019
Question MCQ▾
Forward biasing is that in which applied voltage
Choices
Choice (4) | Response | |
---|---|---|
a. | Increases Potential Barrier | |
b. | Cancels the potential barrier | |
c. | Is equal to volt | |
d. | All of the above |