capacitors c1 and c2 are connected as shown in thecircuitabove.thecapacitanceofc1 isc,and the capacitance of c2 is c 3 . the equivalent capacitance between points a and b is ceq . a dielectric is inserted into capacitor c2 , and the equivalent capacitance between points a and b is now 2ceq . what is the value of the dielectric constant for this dielectric? (a) 2 (b) 3 (c) 4