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### Engineering

ISBT Reasoning for all banking PO,Clerk,IBPS PO,Railway,SSC,IAS,OAS Exams

##### In a uniform circular motion if the radius is doubled the centripetal force now required is -
 1) 1- quarter as great as before 2) half as great as before 3) twice as great as before 4) four times as great as before 5) None of these
Answer : half as great as before
##### An 8 V power source is charging a capacitor. How many volts will be across the capacitor at the second time constant ?
 1) 1 volt 2) 3 volts 3) 5 volts 4) 7 volts 5) None of these
##### Which of the following material used between the plates of a capacitor  ?
 1) insulation material 2) dielectric material 3) separation material 4) plate-divider material 5) None of these
##### When a circuit consists of a capacitor and a resistor in series with a voltage source, and the voltage across the resistor is zero, then the capacitor is -
 1) charging 2) discharging 3) fully charged 4) fully discharged 5) None of these
##### Which material has the highest dielectric strength ?
 1) Air 2) Paper 3) Mica 4) Oil 5) None of these
##### What is the impedance of this circuit ?
 1) 1902 2) 2098 3) 1808 4) 1498 5) None of these
##### What is the capacitance of the circuit shown in the given circuit ?
 1) 0.066 F 2) 0.9 F 3) 65.97 pF 4) 900 pF 5) None of these
##### If an open capacitor is checked with an ohmmeter, the needle will -
 1) stay on zero 2) stay on infinity 3) move from zero to infinity 4) move from infinity to zero 5) None of these