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Nodal method of circuit analysis is based on a) KVL and Ohm’s law b) KVL, KCL and Ohm’s law c) KCL and KVL d) KCL and Ohm’s law Which of the following options is correct?
Which of these statements are correct?
1. Ocean currents are the slow- surface movement of water in the ocean.
2. Ocean currents assist in maintaining the Earth's heat balance.
3. Ocean currents are set in motion primarily by prevailing winds.
4. Ocean currents are affected by the configuration of the ocean.
In the given figure current is given in the respective branches, the relation between currents according to KCL is -
According to Naiya̅yikas we ascertain the relation of universal concomitance between x and y :  (A) We can determine the relation only if we can determine the relation of essential identity between x and y   (B) By perceiving that in all cases the presence of x is accompanied by the presence of y  (C) We can determine the relation only if we can determine the relation of cause and effect between x and y  (D) By not perceiving any instance where the presence of x is not accompanied by the presence of y or vice-versa.  Choose the correct answer from the options given below : 
Consider the following statements in the relevant context: 1. The two types of currents that flow in semiconductor diodes and transistors are drift and diffusion currents. 2. The junction region is called depletion region or space-charge region. 3. When currents flow through the diode in forward bias, the depletion region current is mostly of ‘diffusion’ type. Which of the above statements are correct?
Consider the following two statements about ocean currents and choose the correct option. A. The areas where the warm and cold currents meet provide the best fishing grounds of the world. B. The areas where the warm and cold currents meet are difficult areas for navigation.
Which one of the following statements are correct? (A) Ocean currents provide a high degree of regulation to the thermal environments of the earth‘s surface (B) On a local scale, warm water currents bring moderating influence to coasts in arctic latitudes (C) Cold currents are not able to bring down the temperature of tropical deserts (D) Density differences may also cause flow of ocean water Choose the correct answer from the options given below:
Assertion (A): All the mesh currents are necessarily the loop currents but all the loop currents may not be the mesh current. Reason (R): The mesh current is the current which flows only around the perimeter of a mesh.
Which of the following statements is not true with regard to Ocean currents? (i) The warm ocean currents originate near the equator and move towards the poles. (ii) The cold currents carry water from polar or higher latitudes to tropical or lower latitudes. (iii)  The Labrador Ocean current is cold current while the Gulf Stream is a warm current.
Which of the following are reasons for the chief fishing grounds being located in continental shelf areas where cold and warm currents meet? I. Warm currents are rich in phosphates and nitrates II. Plankton - the chief fish feed - thrives in these regions III. The meeting of cold and warm currents allows the water to be well aerated IV. The epicontinental seas allow sunlight to reach almost to the bottom