[{"id":15609,"question":"Which of the modulus of elasticity is involved in compressing a rod to decrease its length?","choices":[{"text":"Young's modulus","value":"A"},{"text":"Bulk modulus","value":"B"},{"text":"Modulus of rigidity","value":"C"},{"text":"None of the above","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":15608,"question":"The dimensional formula for the modulus of elasticity is same as that for.","choices":[{"text":"Stress","value":"A"},{"text":"Strain","value":"B"},{"text":"Velocity","value":"C"},{"text":"Surface tension","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":15606,"question":"The henry is the unit for","choices":[{"text":"Resistance","value":"A"},{"text":"Magnetic flux","value":"B"},{"text":"Magnetic field","value":"C"},{"text":"Inductance","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":15605,"question":"Energy is stored in the choke coil in the form of","choices":[{"text":"Heat","value":"A"},{"text":"Magnetic energy","value":"B"},{"text":"Electric energy","value":"C"},{"text":"Electro -magnetic energy","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":15604,"question":"In a capacitive circuit","choices":[{"text":"Current leads voltage by phase of π/2","value":"A"},{"text":"Voltage leads current by phase of π/2","value":"B"},{"text":"Current and voltage are in same phase","value":"C"},{"text":"Sometime current and sometime voltage leads","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":15603,"question":"The peak voltage in a 200 volt A.C supply is nearly","choices":[{"text":"220","value":"A"},{"text":"253","value":"B"},{"text":"311","value":"C"},{"value":"D"},{"value":"E"}],"correctAnswer":3},{"id":15602,"question":"An ideal choke (used along with fluorescent tube) would be","choices":[{"text":"A pure resistor","value":"A"},{"text":"A pure capacitor","value":"B"},{"text":"A pure inductor","value":"C"},{"text":"A combination of an inductor and a capacitor","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":15601,"question":"A capacitor acts as an infinite resistance for","choices":[{"text":"AC","value":"A"},{"text":"DC","value":"B"},{"text":"Both AC and DC","value":"C"},{"value":"D"},{"value":"E"}],"correctAnswer":2},{"id":15600,"question":"A 220 V, 50 Hz, AC source is connected to an inductance of 0.2.H and a resistance of 20 ohm in series What is the current in the circuit?","choices":[{"text":"10 A","value":"A"},{"text":"5 A","value":"B"},{"text":"33.3 &nbsp;A","value":"C"},{"text":"3.33 A","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":15599,"question":"In an AC circuit a resistance of R ohm i connected in series with an inductance L if phase angle between voltage and current be 45<sup>o</sup> the value of inductive reactance will be","choices":[{"text":"R/4","value":"A"},{"text":"R/2","value":"B"},{"text":"R","value":"C"},{"value":"D"},{"value":"E"}],"correctAnswer":3}]