Physics-
General
Easy
Question
A moving charge will gain energy due to the application of.
- Electric field
- Magnetic field
- Both of these
- None of these
The correct answer is: Electric field
Related Questions to study
Physics-
Assume that the nuclear binding energy per nucleon (B/A) versus mass number (A) is as shown in the figure. Use this plot to choose the correct choice(s) given below. Figure :
Assume that the nuclear binding energy per nucleon (B/A) versus mass number (A) is as shown in the figure. Use this plot to choose the correct choice(s) given below. Figure :
Physics-General
Physics-
The above is a plot of binding energy per nucleon Eb , agains the nuclear mass M; A, B, C, D, E, correspond to different nuclei. Consider four reactions :
(i) 
(ii) 
(iii) 
and (iv) 
where 
is the energy released? In which reactions is positive?
The above is a plot of binding energy per nucleon Eb , agains the nuclear mass M; A, B, C, D, E, correspond to different nuclei. Consider four reactions :
(i) (ii)
(iii) and (iv)
where is the energy released? In which reactions is positive?
Physics-General
Physics-
60 W, 100 W and 1000 W bulbs are connected in parallel to the mains. The bulb that will be brightest is (all of them have same specified voltage)
60 W, 100 W and 1000 W bulbs are connected in parallel to the mains. The bulb that will be brightest is (all of them have same specified voltage)
Physics-General
Physics-
The emf of a cell is 2 V and its internal resistance is 2 ohm. A resistance of 8 ohm is joined to battery in parallel. This is contacted in secondary circuit of potentiometer. If 1V standard cell balances for 100 cm of potentiometer wire, the balance point of above cell is
The emf of a cell is 2 V and its internal resistance is 2 ohm. A resistance of 8 ohm is joined to battery in parallel. This is contacted in secondary circuit of potentiometer. If 1V standard cell balances for 100 cm of potentiometer wire, the balance point of above cell is
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Physics-
A potentiometer wire of 10 m length and 20Ohm resistance is connected in series with a resistance R Ohms and a battery of emf 2 V, negligible internal resistance. Potential gradient on the wire is 0.16 millivolt / centimeter then R is-ohms.
A potentiometer wire of 10 m length and 20Ohm resistance is connected in series with a resistance R Ohms and a battery of emf 2 V, negligible internal resistance. Potential gradient on the wire is 0.16 millivolt / centimeter then R is-ohms.
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Physics-
When a conducting wire is connected in the left gap and known resistance in the right gap, the balance length is 75 cm If the wire is cut into 3 equal parts and one part is connected in the left gap, the balance length
When a conducting wire is connected in the left gap and known resistance in the right gap, the balance length is 75 cm If the wire is cut into 3 equal parts and one part is connected in the left gap, the balance length
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Two equal resistances are connected in the gaps of a metre bridge. If the resistance in the left gap is increased by 10%, the balancing point shift
Two equal resistances are connected in the gaps of a metre bridge. If the resistance in the left gap is increased by 10%, the balancing point shift
Physics-General
Physics-
In the circuit shown in the figure, the value of Resistance X, when potential difference between the points B and D is zero will be
In the circuit shown in the figure, the value of Resistance X, when potential difference between the points B and D is zero will be
Physics-General
Physics-
The electric current 'i' in the given circuit is
The electric current 'i' in the given circuit is
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The potential difference between points A and B is
The potential difference between points A and B is
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Physics-
Find E for the Given Loop
Find E for the Given Loop
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Physics-
The value of current I, in the figure shown will be
The value of current I, in the figure shown will be
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Physics-
A student is asked to connected four cells of e.m.f of 1 V and internal resistance 0.5 ohm in series with an external resistance of 1 ohm. But one cell is wrongly connected by him with its terminal reversed, the current in the circuit is
A student is asked to connected four cells of e.m.f of 1 V and internal resistance 0.5 ohm in series with an external resistance of 1 ohm. But one cell is wrongly connected by him with its terminal reversed, the current in the circuit is
Physics-General
Physics-
If the external resistance is equal to the internal resistance of a cell of emf E. The p.d. across its terminal is
If the external resistance is equal to the internal resistance of a cell of emf E. The p.d. across its terminal is
Physics-General
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The temperature coefficient of resistivity of material is 0.0004/k. When the temperature of the material is increased by 50°C, its resistivity increases by 
. The initial resistivity of the material in ohm-m is
The temperature coefficient of resistivity of material is 0.0004/k. When the temperature of the material is increased by 50°C, its resistivity increases by . The initial resistivity of the material in ohm-m is
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