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Let R And S Be Two Non Void Relations On A Set A Which Of The Following Statements Is False

1) R and S are transitive ⇒ R ∪ S is transitive 2) R and S are transitive ⇒ R... View Article

1) Reflexive and symmetric 2) Transitive and symmetric 3) Equivalence 4) Reflexive, transitive but not symmetric Solution: (4) n /... View Article

1) Symmetric only 2) Equivalence relation 3) Reflexive only 4) None of these Solution: (4) As A ⊆ A, the... View Article

1) Reflexive and symmetric 2) Symmetric only 3) Transitive only 4) Antisymmetric only Solution: (1) Reflexive aRa ⇒ |a –... View Article

1) Reflexive 2) Symmetric 3) Transitive 4) None of these Solution: (4) Reflexive: (a, a) ∈ R 2x + x... View Article

1) 18 2) 6 3) 4 4) 0 Solution: (3) A = {1, 2, 3, 4, 5} B = {2,... View Article

1) At least 30 2) At most 20 3) Exactly 25 4) None of these Solution: (3) The number of... View Article

1) {(2,4), (3, 4)} 2) {(4,2), (4, 3)} 3) {(2, 4), (3, 4), (4, 4)} 4) {(2, 2), (3,3), (4,... View Article

Solution: (2) A = [x : x is a multiple of 3] A = {3, 6, 9 ….} B =... View Article

1) One point 2) Three points 3) Two points 4) Four points Solution: (4) x2 + 9y2 = 144 (x2... View Article

The internal resistance of an ideal ammeter will be zero since it should allow current to pass through it. The... View Article

The galvanometer coil has a small resistance about 100 ohms. The galvanometer is used to detect small electric current in... View Article

Motion means the change in the position of the object over time. The motion can be mathematically described in terms... View Article

Acceleration is the rate of change of velocity. It is represented as a= ∆v/∆t ∆v is the change in velocity... View Article

Entropy is related to the second law of thermodynamics. Entropy is a measure of the disorder of the system. If... View Article

The basic logic gates are of 7 types AND gate OR gate NOT gate NAND gate NOR gate XOR gate... View Article

According to Ohm’s law, the voltage or the potential difference between two points in a circuit is directly proportional to... View Article

Ideally a voltmeter should have infinite resistance but in practice the voltmeter has a resistance in mega ohm or even... View Article

The balancing point in potentiometer is the point on the slide wire where the galvanometer shows zero deflection. The balance... View Article

Impulse is the average force over the time interval t. I = Ft Force is a vector and time is... View Article